Input: Read this: The ground-attack aircraft of the USAF are designed to attack targets on the ground and are often deployed as close air support for, and in proximity to, U.S. ground forces. The proximity to friendly forces require precision strikes from these aircraft that are not possible with bomber aircraft listed below. They are typically deployed as close air support to ground forces, their role is tactical rather than strategic, operating at the front of the battle rather than against targets deeper in the enemy's rear.
Question: What type of aircraft is not appropriate to be used in close proximity of US ground troops? 

Output: bomber aircraft


Input: Read this: The community was established by several shiploads of settlers from Bermuda (which lies due east of South Carolina, although at 1,030 km or 640 mi, it is closest to Cape Hatteras, North Carolina), under the leadership of governor William Sayle, on the west bank of the Ashley River, a few miles northwest of the present-day city center. It was soon predicted by the Earl of Shaftesbury, one of the Lords Proprietors, to become a "great port towne", a destiny the city quickly fulfilled. In 1680, the settlement was moved east of the Ashley River to the peninsula between the Ashley and Cooper Rivers. Not only was this location more defensible, but it also offered access to a fine natural harbor.
Question: The settlement was relocated west to what river?

Output: unanswerable


Input: Read this: In 2006, the animal rights organization People for the Ethical Treatment of Animals (PETA), criticized Beyoncé for wearing and using fur in her clothing line House of Deréon. In 2011, she appeared on the cover of French fashion magazine L'Officiel, in blackface and tribal makeup that drew criticism from the media. A statement released from a spokesperson for the magazine said that Beyoncé's look was "far from the glamorous Sasha Fierce" and that it was "a return to her African roots".
Question: Which year did PETA spark controversy with Beyonce?

Output: 2006


Input: Read this: In the spring of 1854 the Russians again advanced, crossing the Danube River into the Turkish province of Dobruja. By April 1854, the Russians had reached the lines of Trajan's Wall where they were finally halted. In the center, the Russian forces crossed the Danube and laid siege to Silistra from 14 April with 60,000 troops, the defenders with 15,000 had supplies for three months.:415 The siege was lifted on 23 June 1854. The English and French forces at this time were unable to take the field for lack of equipment.:415
Question: Why couldn't the French and English take control of the field?

Output:
lack of equipment