Sentence 1: Fred needed to get to work but his car was broken. 
 Sentence 3: When Fred boarded the bus, he began to feel ill 
 Sentence 4:  After a minute, the movement of the bus caused Fred to vomit 
 Sentence 5:  Fred was embarrassed and had to clean up his mess 
 Given Sentence 2: He decided to take the city bus to work instead.