Problem: How does the sentence end?

the demand for the products in the market exceeded the products available, the 
Answer: demand was too high.

Problem: How does the sentence end?

Christopher's carpet has few stains on it, while Randy's is very dirty. The carpet of 
Answer: Christopher is 1 year old.

Problem: How does the sentence end?

The rings that I received from my girlfriend are worse than the bracelets that I bought, because the 
Answer: rings were cheap.

Problem: How does the sentence end?

At the hospital, Kayla asked Sarah to help bandage the cut on their hand, because 
Answer:
Sarah helps injured people.