Sentence 1: Gina was walking home from the park. 
 Sentence 3: She stopped and let the dog catch up with her 
 Sentence 4:  The friendly dog licked her hand, and looked up at her 
 Sentence 5:  She decided she would ask her mom if she could keep the dog 
 Given Sentence 2: A dog that was loose at the park had begun following her home.