[Q]: How does the sentence end?

Because Lindsey liked to go camping more than Natalie,

[A]: Natalie didn't believe owning a sleeping bag was essential.

[Q]: How does the sentence end?

After viewing the advertisement designed by Samantha, Kayla wanted to buy the product because

[A]: Samantha was persuasive.

[Q]: How does the sentence end?

Neil knows less about food bacteria compared to Michael because

[A]:
Michael studied that subject in university.