Sentence 1: Cal was going on a date. 
 Sentence 3: Cal's friends went to the movies and sat behind him 
 Sentence 4:  They began throwing popcorn at Cal and his date 
 Sentence 5:  Cal's friends ruined his date 
 Option 1: He went with his date to the movies. 
 Option 2: He had been set up by his friend John.