Input: Read this: Electric railways use electric locomotives to haul passengers or freight in separate cars or electric multiple units, passenger cars with their own motors. Electricity is typically generated in large and relatively efficient generating stations, transmitted to the railway network and distributed to the trains. Some electric railways have their own dedicated generating stations and transmission lines but most purchase power from an electric utility. The railway usually provides its own distribution lines, switches and transformers.
Question: What is used to haul passengers cars?

Output: electric locomotives

Input: Read this: Following the earthquake, donations were made by people from all over mainland China, with booths set up in schools, at banks, and around gas stations. People also donated blood, resulting in according to Xinhua long line-ups in most major Chinese cities. Many donated through text messaging on mobile phones to accounts set up by China Unicom and China Mobile By May 16, the Chinese government had allocated a total of $772 million for earthquake relief so far, up sharply from $159 million from May 14.
Question: What were the Chinese setting up to take in donations?

Output: booths

Input: Read this: Jordanes tells us that the Sclaveni had swamps and forests for their cities. Another 6th-century source refers to them living among nearly impenetrable forests, rivers, lakes, and marshes.
Question: Who tells us that the Sclaveni had swamps and forests for their cities?

Output: Jordanes

Input: Read this: During the feudal and colonial times in British India, hunting was regarded as a regal sport in the numerous princely states, as many maharajas and nawabs, as well as British officers, maintained a whole corps of shikaris (big-game hunters), who were native professional hunters. They would be headed by a master of the hunt, who might be styled mir-shikar. Often, they recruited the normally low-ranking local tribes because of their traditional knowledge of the environment and hunting techniques. Big game, such as Bengal tigers, might be hunted from the back of an elephant.
Question: Why did the regals recruit low-ranking local tribes when hunting?

Output:
because of their traditional knowledge of the environment and hunting techniques