sentence: Karamo built a new pond for his koi fish so they could get out of their tank because the  OPTIONS:
- pond was roomier.
- tank was roomier.
complete: pond was roomier.

sentence: The car held less liters in the tank than the truck because the  OPTIONS:
- truck was bigger.
- car was bigger.
complete: truck was bigger.

sentence: Jason told Ian they would stop at the pet store on the way home so  OPTIONS:
- Jason didn't have to go pick up a crate.
- Ian didn't have to go pick up a crate.
complete:
Ian didn't have to go pick up a crate.