answer: Mr. Sun witnessed the accident and tells #Person1# the detailed information.
documents: #Person1#: Now, Mr. Sun, did you see the accident clearly?
  #Person2#: Oh, yes. I was standing outside the post office.
  #Person1#: Can you remember what time it happened?
  #Person2#: Yes, it was 4:25 by my watch.
  #Person1#: Good. Now, was the truck going fast?
  #Person2#: Yes. Well, perhaps the driver thought the traffic lights were going to change to green. But they were red.
  #Person1#: Are you sure, Mr. Sun?
  #Person2#: Yes, absolutely sure.
  #Person1#: Well, thanks a lot, Mr. Sun. Good-bye.
  #Person2#: Good-bye.