Sentence 1: Gabe drove a taxi cab. 
 Sentence 3: When he got there, no one was waiting 
 Sentence 4:  Gabe called the dispatcher 
 Sentence 5:  He was at the wrong theatre! 
 Option 1: He was called to pick up a passenger at the theatre. 
 Option 2: He was called to pick up a passenger at the airport.