[Q]: How does the sentence end?

In order to practice Taekwondo, he punched the bag instead of the wall. The

[A]: wall was harder.

[Q]: How does the sentence end?

Justin had a hobby they really liked but not Joseph because

[A]: Joseph stopped doing the hobby.

[Q]: How does the sentence end?

Monica is more concerned about the effects of radiation than Mary because

[A]:
Mary doesn't work at a nuclear power facility.