Sentence 1: Tom was an actor. 
 Sentence 3: The director did not like the cartwheel that Tom did 
 Sentence 4:  Tom had to do cartwheels all day until the director was happy 
 Sentence 5:  Tom went home with a backache 
 Option 1: He had to do a cartwheel in one scene of the movie. 
 Option 2: He wouldn't do any stunts in his movie.