Problem: How does the sentence end?

The top that Elena borrowed from Cynthia barely fit over her, as
OPTIONS:
- Elena was much wider in the torso.
- Cynthia was much wider in the torso.
Answer: Elena was much wider in the torso.

Problem: How does the sentence end?

Jumping in the water was never a problem for Jeffrey but it was for Derrick, because
OPTIONS:
- Jeffrey took boxing lessons as a child.
- Derrick took boxing lessons as a child.
Answer: Derrick took boxing lessons as a child.

Problem: How does the sentence end?

He tried to cut the slate with a knife but it didn't work because the
OPTIONS:
- slate was so dull.
- knife was so dull.
Answer: knife was so dull.

Problem: How does the sentence end?

Benjamin knelt over and worked to remove the weeds assembled around the plants in the garden while Kevin watched and sighed, because
OPTIONS:
- Benjamin was a diligent gardener.
- Kevin was a diligent gardener.
Answer:
Benjamin was a diligent gardener.