[Q]: How does the sentence end?

The surface of the table was smooth compared to the bench, because the 

[A]: bench had been neglected.


[Q]: How does the sentence end?

The paint stripper worked perfect for the water-based paint however did not take off oil-based paint as the 

[A]: oil-based paint was heavy.


[Q]: How does the sentence end?

Elena tried to warn Tanya that she was gluten intolerant based on her energy levels after eating since 

[A]:
Elena was observant.