In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.
One example is below.
Q: Tracy slept awkwardly on their new bed and was having some pain, so Tracy cracked her neck. 
Question: What did Tracy do with her neck?
A: crack her neck
Rationale: The output phrase perfectly answers the question and is explicitly mentioned in the passage as well.
Q: Last Friday , my car broke down . I had to get to work Monday , so I decided to ride the public bus since it ran fairly close to my home and work both . Monday morning I got ready early and set off to wait at the bus stop . After sitting for quite a while , the bus finally pulled up . I let others at the stop get on first , then I got on . I asked the bus driver how much the fare was and he told me . I paid the fare by sticking my money in the box near the bus driver , and walked to find a free seat . I found one near the back of the bus , and I sat down . The bus ride was fairly quick and uneventful . I noted that the ride went the same route that I did . Once the bus stopped at the stop near my work , I disembarked . That 's how I rode the public bus . 
Question: Why did they take the bus?
A:
car is broken down