[Q]: How does the sentence end?

Phil went to the neighborhood store for an ordinary battery and an unusual plug for his electronic device, and he special ordered the 
OPTIONS:
- plug because it is proprietary.
- battery because it is proprietary.

[A]: plug because it is proprietary.


[Q]: How does the sentence end?

Kevin took a very lavish present to the party but Jeffrey did not as 
OPTIONS:
- Kevin was very stingy.
- Jeffrey was very stingy.

[A]: Jeffrey was very stingy.


[Q]: How does the sentence end?

Rebecca was a good receptionist, unlike Kayla, since 
OPTIONS:
- Rebecca has good customer service skills to fulfill her job.
- Kayla has good customer service skills to fulfill her job.

[A]:
Rebecca has good customer service skills to fulfill her job.