Sentence 1: While against it Joe decided to let his kids have a dog. 
 Sentence 3: One day angry at having to walk the dog Beth let the dogs run loose 
 Sentence 4:  Aerial the dog ran into the road and was hit and killed by a car 
 Sentence 5:  Sad and Angry Joe had to bury the dog and console his children 
 Option 1: The catch was they needed to take care of the dogs. 
 Option 2: One perk was that the kids loved to take care of the dogs.