Sentence 1: It was going to feel like it was over a hundred degrees today. 
 Sentence 3: When I got outside I realize the air was heavy and my asthma acted up 
 Sentence 4:  I quickly went back inside to decide if I wanted to go for a swim 
 Sentence 5:  I decided not to go swimming and watch a movie in the a/c instead 
 Given Sentence 2: The river carried him downstream.