Sentence 1: The smith family had a special dog. 
 Sentence 3: The family decided to go camping in the woods 
 Sentence 4:  When they awoke the next morning he was gone 
 Sentence 5:  The searched to the ends of the woods but couldn't find him 
 Option 1: The dog had no front legs and had to have a special harness. 
 Option 2: His name was spot.