[Q]: How does the sentence end?

There was less hair on the floor in the bedroom than in the bathroom because the woman brushed her hair in the 
OPTIONS:
- bedroom .
- bathroom .

[A]: bathroom .


[Q]: How does the sentence end?

The dog of William was taller than the dog of Samuel because the dog of 
OPTIONS:
- William was several years older.
- Samuel was several years older.

[A]: William was several years older.


[Q]: How does the sentence end?

After checking price's, I decided to buy treatment from the store rather than the dermatologist's office for my acne, because the 
OPTIONS:
- store was cheaper.
- dermatologist's office was cheaper.

[A]:
store was cheaper.