[Q]: How does the sentence end?

Elena had a better grade in music class than Victoria although 
OPTIONS:
- Elena performed better on the piano.
- Victoria performed better on the piano.

[A]: Victoria performed better on the piano.


[Q]: How does the sentence end?

Ian usually wore contact lenses, whereas Steven stuck to wearing glasses, because 
OPTIONS:
- Ian had astygmatism.
- Steven had astygmatism.

[A]: Steven had astygmatism.


[Q]: How does the sentence end?

The psychologist had a desk and a couch, his patient sat at the 
OPTIONS:
- desk during the session.
- couch during the session.

[A]:
couch during the session.