Problem: How does the sentence end?

William had to fix the rip in Aaron's chiffon dress, because 
Answer: William was better at sewing delicate projects.

Problem: How does the sentence end?

We moved the camping trip from the park to the mountain, since the 
Answer: mountain had become welcoming territory.

Problem: How does the sentence end?

While at the bank, Jason received a loan instead of Robert because 
Answer: Jason had superior credit.

Problem: How does the sentence end?

Angela wants to grind coffee beans so she asks for Emily's grinder, because 
Answer:
Angela doesn't own one.