Sentence 1: Tina went for a walk one afternoon like she always does. 
 Sentence 3: She adored the puppy and the puppy adored her 
 Sentence 4:  She looked everywhere for the owner, but couldn't find anyone around 
 Sentence 5:  Tina took the puppy home and raised it to be a loyal companion 
 Given Sentence 2: She thought about going to a pet store.