[Q]: How does the sentence end?

Mary used the calculator to find the solution instead of the abacus, because the
OPTIONS:
- calculator was slower for her.
- abacus was slower for her.

[A]: abacus was slower for her.

[Q]: How does the sentence end?

Late on Monday Christine was doing an excel report for Erin because
OPTIONS:
- Christine was the boss.
- Erin was the boss.

[A]: Erin was the boss.

[Q]: How does the sentence end?

Betty was looked down upon, while Felicia was seen as a role model, because
OPTIONS:
- Betty was dishonorable.
- Felicia was dishonorable.

[A]:
Betty was dishonorable.