Sentence 1: Biff liked to be a bully at school. 
 Sentence 3: One day he pushed the wrong person 
 Sentence 4:  It was Tim who he pushed that day 
 Sentence 5:  Biff got a black eye because of his actions 
 Option 1: He would always push people around. 
 Option 2: Biff was really a coward and when he picked on one guy, the guy's girlfriend knocked the crap out of him with karate.