Sentence 1: Kenny didn't want to go hunting. 
 Sentence 3: They went duck hunting for a day 
 Sentence 4:  Kenny accidentally dropped his gun and shot his dad 
 Sentence 5:  He wasn't seriously injured but they never went hunting again 
 Option 1: His dad said he didn't have to. 
 Option 2: His dad thought it was a good learning lesson.