[Q]: How does the sentence end?

Because Rebecca did not wear a cowboy hat while Megan did,

[A]: Rebecca had sun in their eyes.

[Q]: How does the sentence end?

Fatima got her ears pierced with gold earrings rather than silver, because the

[A]: gold looked expensive.

[Q]: How does the sentence end?

Jane chose to write about dolphins instead of bears for her thesis, although

[A]:
dolphins were her weakest area of expertise.