Sentence 1: Abby was always annoyed by the family dog. 
 Sentence 3: Abby had to take care of him while her parents were at work 
 Sentence 4:  She cuddled with him on the couch while he recovered 
 Sentence 5:  Now that he's no longer sick they play together every day 
 Option 1: He was always full of energy. 
 Option 2: He chewed up one of her toys and got very sick.