sentence: If I am giving a gift to a child I prefer books over electronics as the OPTIONS:
- books are noisy.
- electronics are noisy.
complete: electronics are noisy.

sentence: Throughout the year Elena was training Megan in business marketing when OPTIONS:
- Elena was the student.
- Megan was the student.
complete: Megan was the student.

sentence: Bob always tries to avoid sugars, but eats complex carbohydrates because it is the OPTIONS:
- sugars that are healthy.
- carbohydrates that are healthy.
complete:
carbohydrates that are healthy.