sentence: The spray cleaned the windows better than it cleaned the walls because the  OPTIONS:
- windows were non-porous.
- walls were non-porous.
complete: windows were non-porous.

sentence: Bob spent more money on food than he did on the candy, because the  OPTIONS:
- food was unwholesome.
- candy was unwholesome.
complete: candy was unwholesome.

sentence: Eric was easier to amuse than Justin because  OPTIONS:
- Eric had a great sense of humor.
- Justin had a great sense of humor.
complete:
Eric had a great sense of humor.