Problem: How does the sentence end?

We disciplined our dog to fetch the stick instead of the bone since the 
Answer: bone was rigid.

Problem: How does the sentence end?

Ben was a book worm. He loved both fiction and non-fiction books, but he chose the 
Answer: non-fiction books book as it was realistic.

Problem: How does the sentence end?

Jason built a better website for the contest than Justin because 
Answer: Jason is a better programmer.

Problem: How does the sentence end?

The wedding cake that I made wouldn't fit in our regular fridge, because the 
Answer:
fridge was very tiny.