[Q]: How does the sentence end?

Joel sought advice from Dennis on how to stay trim because 

[A]: Joel did not have good diet habits.


[Q]: How does the sentence end?

Christine liked to bet on the horse races but Jessica liked to bet on the dogs. 

[A]: Christine placed their bet on Secretariat.


[Q]: How does the sentence end?

While Joel was strong, Justin always won the weightlifting contest since 

[A]:
Joel had smaller muscles.