Problem: How does the sentence end?

The plug that I bought from the hardware store didn't fit the drain because the 
Answer: plug was too fat.

Problem: How does the sentence end?

Eric was having a hard time sleeping at night while Christopher slept well because 
Answer: Eric had a guilty conscience.

Problem: How does the sentence end?

I filled the cups with strawberries but it wasn't large enough.  The 
Answer: cups were too small.

Problem: How does the sentence end?

The ax split the wood in just one hit and it is amazing because the 
Answer:
ax is strong.