Task: Question Answering
Input (English): passage: The Grand Union Canal in England is part of the British canal system. Its main line starts in London and ends in Birmingham, stretching for 137 miles (220 km) with 166 locks. It has arms to places including Leicester, Slough, Aylesbury, Wendover and Northampton.
 question: is there a canal from birmingham to london?
Output (English): Yes