Problem: How does the sentence end?

Patricia had much better hearing than Jessica had because 
Answer: Jessica was a much older person.

Problem: How does the sentence end?

The stain remover didn't work as well as the bleach, because the 
Answer: bleach was of great quality.

Problem: How does the sentence end?

The article was written about Joel and not about Steven because 
Answer: Steven was a unknown singer.

Problem: How does the sentence end?

Kayla has a muscular body while Jessica does not, mostly due to the fact that 
Answer:
Jessica spends no time pumping iron.