sentence: The playful dog went into the river and went over Niagara Falls because the  OPTIONS:
- river was moving too fast.
- dog was moving too fast.
complete: river was moving too fast.

sentence: Lindsey was being yelled at by Megan because  OPTIONS:
- Lindsey created a huge stain on the carpet.
- Megan created a huge stain on the carpet.
complete: Lindsey created a huge stain on the carpet.

sentence: Emily poured the entire bowl of white mushroom into the hot pan on the stove until it the  OPTIONS:
- bowl was empty.
- pan was empty.
complete:
bowl was empty.