Problem: How does the sentence end?

Kyle was wearing a sweatshirt while Aaron was in a tank top because 
Answer: Aaron thought the temperature outside was far too warm.

Problem: How does the sentence end?

She wanted to do a salad for lunch instead of making a full course meal, because the 
Answer: salad was simpler.

Problem: How does the sentence end?

Jessica took the lead in social situations with Tanya since 
Answer: Tanya was much less friendly.

Problem: How does the sentence end?

Neil got a bird as a pet and Michael go a horse because 
Answer:
Neil liked animals that could fly.