[Q]: How does the sentence end?

Brett gave Christopher money to buy some new jeans; then
OPTIONS:
- Brett asked for more money for a matching shirt.
- Christopher asked for more money for a matching shirt.

[A]: Christopher asked for more money for a matching shirt.

[Q]: How does the sentence end?

My dog had bacteria in his mouth that was less dangerous than the leg infection, because the
OPTIONS:
- infection might kill him.
- bacteria might kill him.

[A]: infection might kill him.

[Q]: How does the sentence end?

Kayla needed help moving the heavy sofa from Sarah, and
OPTIONS:
- Kayla was happy to receive the help.
- Sarah was happy to receive the help.

[A]:
Kayla was happy to receive the help.