[Q]: How does the sentence end?

Ian had a poor credit history but Benjamin did not, so

[A]: Benjamin had to buy the house alone.

[Q]: How does the sentence end?

Justin couldn't get the gnats out of his kitchen, so Kyle brought some insecticide.

[A]: Kyle was well-prepared for the situation.

[Q]: How does the sentence end?

Pizza was Angela's favorite type of food, but Rachel likes tacos, due to

[A]:
Rachel loving Mexican cuisine.