Problem: How does the sentence end?

I had a decision to make and I had to quit my job but not school because the
Answer: school was more important.

Problem: How does the sentence end?

Jennifer would outgrow Sarah in a matter of a few months even though
Answer: Jennifer was younger.

Problem: How does the sentence end?

Michael had a clean aquarium full of fish that Brett wanted for himself, but
Answer: Brett never kept his tank as clean to keep his fish healthy and alive.

Problem: How does the sentence end?

Brett always saves money when they shop but Lawrence spends too much because
Answer:
Lawrence hates to deal with coupons.