Sentence 1: Tom had been on a diet for about two weeks. 
 Sentence 3: He saw a display of very unhealthy cookies 
 Sentence 4:  Tom wanted the cookies, but he also wanted to stick to his diet 
 Sentence 5:  Tom decided not to get the cookies 
 Option 1: He went to the grocery store. 
 Option 2: He had ordered meals from Jenny Craig.