Problem: How does the sentence end?

As the walls began to cave in on Joseph, he thanked Craig who had sold him the house because
Answer: Joseph had narrowly escaped due to his advice.

Problem: How does the sentence end?

Christopher went to ask Eric for advice about savings bonds because
Answer: Christopher forgot how they worked.

Problem: How does the sentence end?

Joseph helped Donald with writing his historical fiction book because
Answer: Donald was less experienced in the field.

Problem: How does the sentence end?

Jame could not get the stain off the tub even after soaking it the a bleach. The
Answer:
stain is tough.