Problem: How does the sentence end?

The doctor noticed that Neil would always have infections and Samuel would not, that's due to 
Answer: Neil being unhealthy.

Problem: How does the sentence end?

Elena trusted Natalie with all of their secrets, but 
Answer: Natalie didn't reveal that they were a gossip.

Problem: How does the sentence end?

Katrina asked Jennifer which drug would be the most effective because 
Answer: Jennifer was a pharmacist.

Problem: How does the sentence end?

Samantha bought a lot more of the meat that was on sale compared to Betty because 
Answer:
Betty had a small freezer.