Sentence 1: Randy told his mom that he wanted to buy lunch at school. 
 Sentence 3: But Randy found himself gaining weight 
 Sentence 4:  And he was sick more often 
 Sentence 5:  When Randy's mom found out what they served, she was shocked 
 Option 1: So she no longer made food for him to bring to school. 
 Option 2: She told him no because the school lunches were unhealthy.