Problem: How does the sentence end?

The smell of the food did not come from the vegetables, but from the spices, as the 
OPTIONS:
- vegetables were bland.
- spices were bland.
Answer: vegetables were bland.

Problem: How does the sentence end?

Ryan made Nick recite mathematical formulas for the test, because 
OPTIONS:
- Ryan is his math tutor.
- Nick is his math tutor.
Answer: Ryan is his math tutor.

Problem: How does the sentence end?

The cow stopped eating grass and started munching on grain, since the 
OPTIONS:
- grass was unpalatable.
- grain was unpalatable.
Answer: grass was unpalatable.

Problem: How does the sentence end?

Aaron went to go on a vacation to Hawaii without Joel because 
OPTIONS:
- Aaron was busy with work.
- Joel was busy with work.
Answer:
Joel was busy with work.