[Q]: How does the sentence end?

Edith's physics class was moved from the classroom to the theater because the 
OPTIONS:
- theater was unavailable.
- classroom was unavailable.

[A]: classroom was unavailable.


[Q]: How does the sentence end?

It was Adam who had to prepare meals for Robert since 
OPTIONS:
- Adam was an incompetent cook .
- Robert was an incompetent cook .

[A]: Robert was an incompetent cook .


[Q]: How does the sentence end?

The storage  on the shelf is not enough to keep the bag. The 
OPTIONS:
- bag is small.
- storage is small.

[A]:
storage is small.