Problem: How does the sentence end?

Samantha gave Mary vocal lessons for the upcoming school concert because 
Answer: Samantha had well-trained vocals.

Problem: How does the sentence end?

Ian ate a lot of turkey breast but not Kevin because 
Answer: Kevin was on a vegetarian diet.

Problem: How does the sentence end?

The doctor was able to cure Natalie and not Cynthia as 
Answer: Natalie had early signs of her disease.

Problem: How does the sentence end?

When the first came around Sarah paid Rachel rent money because 
Answer:
Rachel was the owner of the property.