Problem: How does the sentence end?

The doctor operated on the pancreas but not the liver because the 
Answer: liver was healthy.

Problem: How does the sentence end?

Randy is always late for the first period while Joseph is always on time as 
Answer: Randy is a night owl.

Problem: How does the sentence end?

Neil wanted to help his good friend Benjamin quit smoking for 
Answer: Benjamin was an current smoker.

Problem: How does the sentence end?

Angela's budgie tweeted loudly every morning, which annoyed Laura to no end. 
Answer:
Angela apologized for the tweeting but nothing could be done.