answer: #Person2# tells #Person1# #Person2# gets to the office early thanks to the subway.
documents: #Person1#: You are early today! Did you drive here?
  #Person2#: That's my last choice. Driving a car in rush hour is obviously not a good idea.
  #Person1#: So you took a bus?
  #Person2#: No, the subway instead. I found it the easiest and cheapest way for me to get to the office.