Problem: How does the sentence end?

Mary asked Laura to redo her hardwood floors.
Answer: Mary was in need of an excellent carpenter.

Problem: How does the sentence end?

The doctor prescribed Sam a remedy for his flu but he still felt bad because the
Answer: remedy was too weak.

Problem: How does the sentence end?

Though they attended the same exercise class Christopher got hurt while Jeffrey was fine because
Answer: Christopher was more careless.

Problem: How does the sentence end?

Maria used some acid to clean stains on the equipment but it didn't work because the
Answer:
stain was too strong.