sentence: James cannot prune the apex branch with that ax because the OPTIONS:
- ax is too short.
- branch is too short.
complete: ax is too short.

sentence: Megan could stand on one foot for hours but Carrie could not as OPTIONS:
- Megan was very stiff.
- Carrie was very stiff.
complete: Carrie was very stiff.

sentence: Mary hired Amy to help solve a murder mystery because OPTIONS:
- Mary is highly observant of their surroundings.
- Amy is highly observant of their surroundings.
complete:
Amy is highly observant of their surroundings.