answer: #Person2# calls 911 because #Person2#'s car broke down and the woman passenger is about to have a baby. #Person1# sends an ambulance to #Person2#'s location.
documents: #Person1#: Hello, this is the 911 emergency operator.
  #Person2#: Help! Help! Please, help me!
  #Person1#: Sir, please calm down and explain exactly what is happening.
  #Person2#: Calm down? My car broke down on the freeway! I have a woman passenger and she's about to have a baby!
  #Person1#: Relax, sir, and explain exactly where you are.
  #Person2#: I'm in the southward lane of the Lincoln freeway, about 15 miles from the Washington tunnel.
  #Person1#: Okay. Now, what's the nearest landmark to your location?
  #Person2#: Um, I see a Starbucks...
  #Person1#: Is there anyone else with you?
  #Person2#: No, no one will stop to help us! I need an ambulance. I feel like I'm about to have a heart attack myself!
  #Person1#: I just sent an ambulance to your location. They should be there soon.