Sentence 1: Working at an animal shelter, Amy met a dog rescued from a puppy mill. 
 Sentence 3: Gradually, he trusted her enough to walk up and sniff her hand 
 Sentence 4:  Eventually, Amy was able to take him for the first walk he'd ever had 
 Sentence 5:  She was so moved by his courage and heart, Amy adopted him 
 Option 1: Amy was unable to help the dog before it passed away. 
 Option 2: He cringed fearfully in the back of his kennel when she approached.