answer: #Person1# asks #Person2# if Mike had a car accident and #Person2# explains that Mike was actually knocked over when playing basketball.
documents: #Person1#: Mike was injured this morning, did he have a car accident?
  #Person2#: No, what made you think so?
  #Person1#: He started driving only a week ago, so I thought he might have had a car accident.
  #Person2#: He got his driver's license 3 years ago, he is actually a skilled driver.
  #Person1#: Then what happened to him?
  #Person2#: He went to play basketball this morning, he ran too fast and he was knocked over.
  #Person1#: Is that how he got injured?
  #Person2#: Yes, I was playing tennis nearby, I took him to the hospital.