Sentence 1: Rick forgot to bring his gym clothes to school. 
 Sentence 3: Rick and his class got to watch a sports movie in the auditorium 
 Sentence 4:  And Rick didn't get in trouble for forgetting his gym clothes 
 Sentence 5:  Rick was very thankful that it rained 
 Option 1: But before his gym class started, it began to rainy. 
 Option 2: He was disappointed because he wouldn't be able to participate in gym class.