sentence: I saw a woman use techniques that worked better than my ideas because the OPTIONS:
- techniques were more difficult.
- ideas were more difficult.
complete: ideas were more difficult.

sentence: To ease the pain on his back the man used the ice instead of the heat because the OPTIONS:
- heat was effective.
- ice was effective.
complete: ice was effective.

sentence: He took the car to the conference instead of the bus because the OPTIONS:
- car was slower on the freeway.
- bus was slower on the freeway.
complete:
bus was slower on the freeway.