Sentence 1: Lily sat at her seat in Chemistry class. 
 Sentence 3: Her teacher asked for everyone to pass their homework forward 
 Sentence 4:  Lily's stomach sank 
 Sentence 5:  She forgot there was homework last night 
 Option 1: She looked over at John, she had a huge crush on him. 
 Option 2: She pulled out her book and notebook for class.