[Q]: How does the sentence end?

The rod is better than the pipe for fitting in tight spaces because the 
OPTIONS:
- rod is thicker.
- pipe is thicker.

[A]: pipe is thicker.


[Q]: How does the sentence end?

They did not get enough paint to finish painting the whole house. The 
OPTIONS:
- Paint was unavailable.
- House was unavailable.

[A]: Paint was unavailable.


[Q]: How does the sentence end?

Samantha owned several horses while Cynthia owned hamsters, so 
OPTIONS:
- Samantha had a stable to keep them all in.
- Cynthia had a stable to keep them all in.

[A]:
Samantha had a stable to keep them all in.