Problem: How does the sentence end?

In order to pass his karate test he had to do several kicks but the
Answer: test was too hard.

Problem: How does the sentence end?

Brett went to a flower store and bought a bouquet of flowers for Nick because
Answer: Nick helped him before.

Problem: How does the sentence end?

The black ox can carry a heavier load than the brown ox due to the heavier muscle mass of the
Answer: black ox.

Problem: How does the sentence end?

The tobacco farm wasn't doing well, so they replaced the pipes with conveyors as the
Answer:
pipes were inefficient.