sentence: The cart got broken while James was pushing the luggage with it. The  OPTIONS:
- luggage is heavy.
- cart is heavy.
complete: luggage is heavy.

sentence: The girls appreciated time at the zoo less than at the playground. This is due to the  OPTIONS:
- zoo being exciting to them.
- playground being exciting to them.
complete: playground being exciting to them.

sentence: Jake bought a tube of glue out of the bargain bin instead of off the shelf, because the glue from the  OPTIONS:
- bin was cheap.
- shelf was cheap.
complete:
bin was cheap.