Problem: How does the sentence end?

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

Problem: How does the sentence end?

Joel was walking much faster than Adam at work although 
Answer: Joel had corns on their feet.

Problem: How does the sentence end?

Paul debated on building what building material brick or PVC, because the 
Answer: brick is rough.

Problem: How does the sentence end?

The hunter wanted to shoot the target with the bow but the 
Answer:
target was too fast.