Problem: How does the sentence end?

The coat was warmer than the jacket because the 
Answer: coat had more layers in it.

Problem: How does the sentence end?

In school, Katrina was more of a slow learner than Carrie so 
Answer: Katrina received help on how to do math.

Problem: How does the sentence end?

Kayla became upset when Sarah did not quickly respond to the message, because 
Answer: Kayla was demanding.

Problem: How does the sentence end?

Jeffrey's pets have been plagued with illness. Joel's have not. 
Answer:
Jeffrey 's pet food is expired.