Sentence 1: Alan and Wes were playing catch outside at their grandfather's farm. 
 Sentence 3: Alan didn't realize it was an electric fence 
 Sentence 4:  He leaned over it to catch the ball 
 Sentence 5:  Alan got a mild shock from the fence 
 Option 1: Wes through the ball past a fence with a low electric charge. 
 Option 2: Wes threw the ball and it hit the fence and made a shock noise.