Problem: How does the sentence end?

The aquarium that I purchased was bigger than my old tank because the
Answer: tank allowed little room for the big fish.

Problem: How does the sentence end?

Although it was night time, Jeffrey stayed up while Brian went to bed because
Answer: Jeffrey just had some caffeine.

Problem: How does the sentence end?

When traveling abroad I always go to the local market and not the supermarket, because the
Answer: supermarket is usually more expensive.

Problem: How does the sentence end?

Jason but not Jeffrey went to the animal shelter to adopt a cat because
Answer:
Jason loves cats.