Sentence 1: Ollie had the flu. 
 Sentence 3: The doctor gave him some medicines and told him to rest 
 Sentence 4:  Ollie spent a few days in bed and started to feel better 
 Sentence 5:  Ollie got over the flu and was able to leave the house again 
 Given Sentence 2: He needed to get away and get his mind off of it.