Problem: How does the sentence end?

My hammer that I just bought was better than the screwdriver because the
OPTIONS:
- hammer was the right tool for the job.
- screwdriver was the right tool for the job.
Answer: hammer was the right tool for the job.

Problem: How does the sentence end?

Growing a garden was easy for Joseph but not Derrick because
OPTIONS:
- Joseph had a small backyard.
- Derrick had a small backyard.
Answer: Derrick had a small backyard.

Problem: How does the sentence end?

Christopher had been horseback riding since childhood but Justin had purposefully never been.
OPTIONS:
- Christopher was obsessed with horses.
- Justin was obsessed with horses.
Answer: Christopher was obsessed with horses.

Problem: How does the sentence end?

We were going to go swimming at the pool but went to the lake instead, because the
OPTIONS:
- pool was empty of water.
- lake was empty of water.
Answer:
pool was empty of water.