[Q]: How does the sentence end?

Carrie wanted to use coconut oil but Betty didn't.

[A]: Betty cooked eggs with vegetable oil.

[Q]: How does the sentence end?

The soap that Brian uses costs much less than Ian's. This is due to

[A]: Ian liking luxury brands.

[Q]: How does the sentence end?

Fresh squeezed orange juice was what Lawrence drank but Nelson was allergic so

[A]:
Lawrence drank it all.