Sentence 1: Jason loved to work on cars. 
 Sentence 3: He couldn't figure out the problem on the blue car he worked on 
 Sentence 4:  He called his friend and they worked all night on it 
 Sentence 5:  The next day Fred was zooming across town in his new working car 
 Given Sentence 2: She tried to talk to them but they were obnoxious.