Sentence 1: Will really liked Ally, who sat behind him in History class. 
 Sentence 3: Since then Will began rolling up his sleeves 
 Sentence 4:  One day a new kid came to school 
 Sentence 5:  He beat Will up because he wanted to take out the toughest kid 
 Given Sentence 2: The lawnmower kept stopping even though it was full of gas.