Problem: How does the sentence end?

Laura disabled Katrina 's car so that 
Answer: Katrina could be prevented from driving it home drunk.

Problem: How does the sentence end?

The kids loved daycare so Emily gladly paid, but Laura thought it too expensive. 
Answer: Laura thought the money was a waste.

Problem: How does the sentence end?

The paint was peeling off the schoolhouse, but not the gymnasium because the 
Answer: schoolhouse is in direct sunlight.

Problem: How does the sentence end?

Spicy food often gave Betty diarrhea but Rebecca loved it. 
Answer:
Betty had to run to the bathroom after dinner at the Mexican restaurant.