Because interframe compression copies data from one frame to another, if the original frame is simply cut out (or lost in transmission), the following frames cannot be reconstructed properly. Some video formats, such as DV, compress each frame independently using intraframe compression. Making 'cuts' in intraframe-compressed video is almost as easy as editing uncompressed video: one finds the beginning and ending of each frame, and simply copies bit-for-bit each frame that one wants to keep, and discards the frames one doesn't want. Another difference between intraframe and interframe compression is that, with intraframe systems, each frame uses a similar amount of data. In most interframe systems, certain frames (such as "I frames" in MPEG-2) aren't allowed to copy data from other frames, so they require much more data than other frames nearby.
What is almost as easy as editing uncompressed video?
Making 'cuts'


Input: Economy of Greece
Greece has the largest merchant navy in the world, accounting for more than 15% of the world's total deadweight tonnage (dwt) according to the United Nations Conference on Trade and Development. The Greek merchant navy's total dwt of nearly 245 million is comparable only to Japan's, which is ranked second with almost 224 million. Additionally, Greece represents 39.52% of all of the European Union's dwt. However, today's fleet roster is smaller than an all-time high of 5,000 ships in the late 1970s.

What percentage of the entire EU's dwt does Greece alone represent?
Output: 39.52%


Input: Article: Chapter IV details natural selection under the "infinitely complex and close-fitting ... mutual relations of all organic beings to each other and to their physical conditions of life". Darwin takes as an example a country where a change in conditions led to extinction of some species, immigration of others and, where suitable variations occurred, descendants of some species became adapted to new conditions. He remarks that the artificial selection practised by animal breeders frequently produced sharp divergence in character between breeds, and suggests that natural selection might do the same, saying:

Now answer this question: What did Darwin say could happen somewhere if there is a change in conditions?

Output: extinction of some species


Article: This narrative draws on the Nidānakathā of the Jataka tales of the Theravada, which is ascribed to Buddhaghoṣa in the 5th century CE. Earlier biographies such as the Buddhacarita, the Lokottaravādin Mahāvastu, and the Sarvāstivādin Lalitavistara Sūtra, give different accounts. Scholars are hesitant to make unqualified claims about the historical facts of the Buddha's life. Most accept that he lived, taught and founded a monastic order, but do not consistently accept all of the details contained in his biographies.

Question: When was the Buddhagohosa written?
Ans: 5th century CE


Here is a question about this article: Armenians enjoy many different native and foreign foods. Arguably the favorite food is khorovats an Armenian-styled barbecue. Lavash is a very popular Armenian flat bread, and Armenian paklava is a popular dessert made from filo dough. Other famous Armenian foods include the kabob (a skewer of marinated roasted meat and vegetables), various dolmas (minced lamb, or beef meat and rice wrapped in grape leaves, cabbage leaves, or stuffed into hollowed vegetables), and pilaf, a rice dish. Also, ghapama, a rice-stuffed pumpkin dish, and many different salads are popular in Armenian culture. Fruits play a large part in the Armenian diet. Apricots (Prunus armeniaca, also known as Armenian Plum) have been grown in Armenia for centuries and have a reputation for having an especially good flavor. Peaches are popular as well, as are grapes, figs, pomegranates, and melons. Preserves are made from many fruits, including cornelian cherries, young walnuts, sea buckthorn, mulberries, sour cherries, and many others.
What is the answer to this question: What is a kabob?
****
So... a skewer of marinated roasted meat and vegetables


Article: State banquets also take place in the Ballroom; these formal dinners are held on the first evening of a state visit by a foreign head of state. On these occasions, for up to 170 guests in formal "white tie and decorations", including tiaras, the dining table is laid with the Grand Service, a collection of silver-gilt plate made in 1811 for the Prince of Wales, later George IV. The largest and most formal reception at Buckingham Palace takes place every November when the Queen entertains members of the diplomatic corps. On this grand occasion, all the state rooms are in use, as the royal family proceed through them, beginning at the great north doors of the Picture Gallery. As Nash had envisaged, all the large, double-mirrored doors stand open, reflecting the numerous crystal chandeliers and sconces, creating a deliberate optical illusion of space and light.

Question: What is used to set the dining table for formal dinners?
Ans:
the Grand Service