sentence: The party is at 7:00 and I need to catch the train at 9:30, so there isn't much time. Luckily, the  OPTIONS:
- party was late, so it worked out.
- train was late, so it worked out.
complete: train was late, so it worked out.

sentence: Donald put the frame up on the wall for Adam because  OPTIONS:
- Donald was too short to reach it.
- Adam was too short to reach it.
complete: Adam was too short to reach it.

sentence: Megan borrowed Betty's new  slippers because her feet were cold but  OPTIONS:
- Megan forgot to ask for the slippers back.
- Betty forgot to ask for the slippers back.
complete:
Betty forgot to ask for the slippers back.