Problem: How does the sentence end?

John wanted to tie a rope around a tire to swing on but the 
Answer: tire was too soft.

Problem: How does the sentence end?

Aaron subbed Donald out of the game because 
Answer: Donald was the worst player on the team and was not helping his team to win.

Problem: How does the sentence end?

In preparation for the meeting the company ordered labels and left out pens because the 
Answer: labels were necessary.

Problem: How does the sentence end?

To pasteurize his milk, Matthew had to use Brian 's kitchen because 
Answer:
Matthew 's kitchen was too cluttered.