[Q]: How does the sentence end?

Felicia was early to class while Carrie was late for the reason that

[A]: Carrie ran into congested roads.

[Q]: How does the sentence end?

Judging a good wine was easy for Ian but not Jeffrey because

[A]: Jeffrey had a poor knowledge of wines.

[Q]: How does the sentence end?

Late on Monday, Christine was doing an excel report for Erin because

[A]:
Christine was the employee.