Problem: How does the sentence end?

William could only climb beginner walls while Jason climbed advanced ones because
Answer: William was very weak.

Problem: How does the sentence end?

Carrie was much faster with tying knots than Samantha because
Answer: Samantha had very clumsy hands.

Problem: How does the sentence end?

My shampoo did not lather easily on my Afro hair because the
Answer: shampoo is too little.

Problem: How does the sentence end?

Adam was sick and tired of Jeffrey's management of the company, because
Answer:
Jeffrey was always being inappropriate.