Problem: How does the sentence end?

The fire spread quickly before people rushed over with water, but the 
Answer: fire was too strong.

Problem: How does the sentence end?

The child was being calmed by the stuffed animal but not the clown because the 
Answer: stuffed animal looked cute.

Problem: How does the sentence end?

The hens were worth their trouble to Sarah but not to Natalie becasue 
Answer: Sarah loved the free eggs.

Problem: How does the sentence end?

Christine's engagement ring is smaller than Jessica's happens to be. 
Answer:
Jessica and her husband are richer.