Problem: How does the sentence end?

Laura hitched their trailer to Kayla's truck, because 
Answer: Kayla had a car that was better for towing.

Problem: How does the sentence end?

Joseph did their home renovations their self but not Michael because 
Answer: Joseph had extensive experience as a contractor.

Problem: How does the sentence end?

It was nice to see Sarah share everything compared to Jennifer, by reason that 
Answer: Jennifer was greedy.

Problem: How does the sentence end?

Lindsey was annoyed because Laura was always apologizing, so 
Answer:
Lindsey slapped her because she was so annoying.