dialogue: M: It took me three hours to get home yesterday. I was exhausted. W: Oh no. What happened? M: There was an accident and the train was cancelled. W: And what did you do then? M: I waited first for another train. But then I learnt no train would come until two hours later. So I had to switch to a bus and walked about half an hour. W: Terrible. Not again.
question: How did the man get home?
choice: He took a bus and walked a long way home. He took another train. He walked home.
answer: He took a bus and walked a long way home.