Sentence 1: Jim really wanted to show his dog at the annual dog show. 
 Sentence 3: Bob took his dog to obedience classes for four weeks 
 Sentence 4:  Bob's dog learned how to stay when Bob commanded it 
 Sentence 5:  Bob and his dog entered the contest and won second place 
 Option 1: But his dog was very bad-mannered and always ran away. 
 Option 2: His dog was the best when he took obedience class last year.