Task: Question Answering
Input (English): Paragraph: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
 Question: Ian wants to produce less pollutants, so he buys a car that is a plug-in hybrid. The car will run on electricity better if it's plugged in for a 
 Choices: A)longer time 
B)shorter time
Output (English): longer time