Provide the theme summaries for the following conversation: 

Carol: When will you be back?
Timothy: I'm already done, so I'll be heading home
Carol: I need the car to get Macy to classes
Timothy: I need to fill up the tank first.
Carol: Ok
Timothy: Uhm... we may have a problem
Carol: What is it?
Timothy: I'm afraid I used the wrong fuel.
Carol: ... what do you mean "wrong fuel"?
Timothy: I forgot it's a diesel ;(((
Carol: Oh for god's sake
Timothy: What should I do now?
Carol: Don't start the engine! Stay at the station and ask for help.
Timothy: Ok
Carol: They'll probably pump it out and maybe take for a check up.
Carol: Don't leave the car, keep an eye on it. I need to go with Macy, then I'll try to join you. Text me the address.

Summary: 
Timothy used the wrong fuel for the car, he forgot it's a diesel. He will have this fuel pumped out and the car checked at the station. Carol needs to get Macy to classes and then she will join Timothy. 