Sentence 1: Tom was really hot one day. 
 Sentence 3: So he went to his freezer and got an ice pack 
 Sentence 4:  And putting it on his forehead helped him cool down 
 Sentence 5:  Tom was glad he didn't have to spend money on a new air conditioner 
 Option 1: His freezer was broken so he couldn't have a cold drink. 
 Option 2: And his air conditioner wasn't helping enough.