Problem: How does the sentence end?

The lotion was thrown away and replaced by a spray as the 
Answer: lotion was deficient in relieving the pain.

Problem: How does the sentence end?

Monica did all they could to prevent Sarah from going, but 
Answer: Monica was unable to stop them.

Problem: How does the sentence end?

Lindsey wanted to squeeze their pimple but not Elena because 
Answer: Elena had a very flat one.

Problem: How does the sentence end?

The plant is stopping the sun from reaching the top of the roof because the 
Answer:
roof is shorter.