[Q]: How does the sentence end?

Lindsey was able to get a new carpet for the winter unlike Betty, because 
OPTIONS:
- Lindsey got a demotion.
- Betty got a demotion.

[A]: Betty got a demotion.


[Q]: How does the sentence end?

Betty smoked a lot less tobacco then Rebecca because 
OPTIONS:
- Betty was very much addicted to nicotine.
- Rebecca was very much addicted to nicotine.

[A]: Rebecca was very much addicted to nicotine.


[Q]: How does the sentence end?

Derrick lost weight more slowly than Robert because 
OPTIONS:
- Derrick exercised about three times a week.
- Robert exercised about three times a week.

[A]:
Robert exercised about three times a week.