[Q]: How does the sentence end?

It was easy for Monica but not Elena to be a life guard because

[A]: Elena never spent any time swimming in the family pool.

[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?

Being a party planner suited Benjamin but not Dennis because

[A]:
Benjamin paid attention to details.