Sentence 1: Harry had gotten too big for his pants and decided to go on a diet. 
 Sentence 3: By the third week Harry had lost five pounds 
 Sentence 4:  Harry was very encouraged and kept it up 
 Sentence 5:  It wasn't long before Harry could fit into his pants again 
 Option 1: Harry stopped eating second dessert and started running at night. 
 Option 2: Harry stopped eating dinner and started running at night.