sentence: The boy on the bike couldn't catch the boy on the skateboard, because the OPTIONS:
- bike was slower.
- skateboard was slower.
complete: bike was slower.

sentence: Even though Victoria had a higher title than Kayla, OPTIONS:
- Victoria made less in income at the company.
- Kayla made less in income at the company.
complete: Victoria made less in income at the company.

sentence: Of the two, Robert is less intelligent than Brian is. That's because OPTIONS:
- Robert dropped out of college.
- Brian dropped out of college.
complete:
Robert dropped out of college.