[Q]: How does the sentence end?

The doctor noticed that Neil would always have infections and Samuel would not, that's due to

[A]: Neil being unhealthy.

[Q]: How does the sentence end?

The woman listened to music on the radio instead of her phone because the

[A]: radio was working.

[Q]: How does the sentence end?

John suspected the pork, not the hamburger, had given him food poisoning, because the

[A]:
hamburger had been properly cooked.