Problem: How does the sentence end?

Dennis asked Leslie if they knew any methods to reduce a headache since
Answer: Dennis was too busy to search online.

Problem: How does the sentence end?

Nelson insisted on serving the food t the potlouck instead of Steven, because
Answer: Steven had dirty hands.

Problem: How does the sentence end?

Christine's inner thighs are much more toned than Lindsey's because
Answer: Christine is a body builder.

Problem: How does the sentence end?

Swimming was forbidden in the pool, but allowed in the lake, because the
Answer:
pool was dangerous.