Problem: All of Chopin's compositions include the piano. Most are for solo piano, though he also wrote two piano concertos, a few chamber pieces, and some songs to Polish lyrics. His keyboard style is highly individual and often technically demanding; his own performances were noted for their nuance and sensitivity. Chopin invented the concept of instrumental ballade. His major piano works also include mazurkas, waltzes, nocturnes, polonaises, études, impromptus, scherzos, preludes and sonatas, some published only after his death. Influences on his compositional style include Polish folk music, the classical tradition of J. S. Bach, Mozart and Schubert, the music of all of whom he admired, as well as the Paris salons where he was a frequent guest. His innovations in style, musical form, and harmony, and his association of music with nationalism, were influential throughout and after the late Romantic period.
What features marked Frédéric's performance style and made them unique?
The answer is the following: nuance and sensitivity


The World Health Organization and the UN Environment Programme estimate that each year, 3 million workers in agriculture in the developing world experience severe poisoning from pesticides, about 18,000 of whom die. Owing to inadequate regulation and safety precautions, 99% of pesticide related deaths occur in developing countries that account for only 25% of pesticide usage. According to one study, as many as 25 million workers in developing countries may suffer mild pesticide poisoning yearly. There are several careers aside from agriculture that may also put individuals at risk of health effects from pesticide exposure including pet groomers, groundskeepers, and fumigators.
In developing countries, how many workers are exposed to mild pesticide poisining?
as 25 million


Input: YouTube
In some countries, YouTube is completely blocked, either through a long term standing ban or for more limited periods of time such as during periods of unrest, the run-up to an election, or in response to upcoming political anniversaries. In other countries access to the website as a whole remains open, but access to specific videos is blocked. In cases where the entire site is banned due to one particular video, YouTube will often agree to remove or limit access to that video in order to restore service.

What might happen in a restrictive state even if you do have access to the youtube site itself?
Output: specific videos is blocked


Input: Article: For years Burke pursued impeachment efforts against Warren Hastings, formerly Governor-General of Bengal, that resulted in the trial during 1786. His interaction with the British dominion of India began well before Hastings' impeachment trial. For two decades prior to the impeachment, Parliament had dealt with the Indian issue. This trial was the pinnacle of years of unrest and deliberation. In 1781 Burke was first able to delve into the issues surrounding the East India Company when he was appointed Chairman of the Commons Select Committee on East Indian Affairs—from that point until the end of the trial; India was Burke's primary concern. This committee was charged "to investigate alleged injustices in Bengal, the war with Hyder Ali, and other Indian difficulties". While Burke and the committee focused their attention on these matters, a second 'secret' committee was formed to assess the same issues. Both committee reports were written by Burke. Among other purposes, the reports conveyed to the Indian princes that Britain would not wage war on them, along with demanding that the HEIC recall Hastings. This was Burke's first call for substantive change regarding imperial practices. When addressing the whole House of Commons regarding the committee report, Burke described the Indian issue as one that "began 'in commerce' but 'ended in empire.'"

Now answer this question: How long before Hastings's trial had Britain been dealing with Indian unrest?

Output: two decades


Article: Hisham suffered still worse defeats in the east, where his armies attempted to subdue both Tokharistan, with its center at Balkh, and Transoxiana, with its center at Samarkand. Both areas had already been partially conquered, but remained difficult to govern. Once again, a particular difficulty concerned the question of the conversion of non-Arabs, especially the Sogdians of Transoxiana. Following the Umayyad defeat in the "Day of Thirst" in 724, Ashras ibn 'Abd Allah al-Sulami, governor of Khurasan, promised tax relief to those Sogdians who converted to Islam, but went back on his offer when it proved too popular and threatened to reduce tax revenues. Discontent among the Khurasani Arabs rose sharply after the losses suffered in the Battle of the Defile in 731, and in 734, al-Harith ibn Surayj led a revolt that received broad backing from Arabs and natives alike, capturing Balkh but failing to take Merv. After this defeat, al-Harith's movement seems to have been dissolved, but the problem of the rights of non-Arab Muslims would continue to plague the Umayyads.

Question: Who was the leader of the revolt of 734?
Ans: al-Harith ibn Surayj


Input: Aircraft carrier
Modern navies that operate such aircraft carriers treat them as the capital ship of the fleet, a role previously held by the battleship. This change took place during World War II in response to air power becoming a significant factor in warfare, driven by the superior range, flexibility and effectiveness of carrier-launched aircraft. Following the war, carrier operations continued to increase in size and importance. Supercarriers, displacing 75,000 tonnes or greater, have become the pinnacle of carrier development. Some are powered by nuclear reactors and form the core of a fleet designed to operate far from home. Amphibious assault ships, such as USS Tarawa and HMS Ocean, serve the purpose of carrying and landing Marines, and operate a large contingent of helicopters for that purpose. Also known as "commando carriers" or "helicopter carriers", many have the capability to operate VSTOL aircraft.

What do Amphibious assalut ships need a large contingent of for carrying Marines?
Output:
helicopters