[Q]: How does the sentence end?

Eric took less time in security than Dennis did before the flight because

[A]: Eric had less baggage.

[Q]: How does the sentence end?

Adam asked Derrick to prune the unruly rose bush because

[A]: Derrick had a green thumb.

[Q]: How does the sentence end?

Leslie carried an oxygen tank while working and Hunter did not because

[A]:
Hunter was a teacher.