Problem: How does the sentence end?

Ben had to create paintings for his show. He was thinking of either a self-portrait or an abstract painting, but decided on the 
Answer: self-portrait painting to show his realistic talent.

Problem: How does the sentence end?

I m trying to better myself by developing positive thinking and removing negativity from my life but the 
Answer: positive thinking is too weak.

Problem: How does the sentence end?

Rebecca made a cake that was burnt unlike Carrie because 
Answer: Carrie followed the instructions of the recipe.

Problem: How does the sentence end?

Rachel had more friendships than Megan had because 
Answer:
Megan was a much more shy person.