Problem: How does the sentence end?

During the summer, Laura was slimmer than Amy so 
OPTIONS:
- Laura did become concerned about the extra popsicle calories.
- Amy did become concerned about the extra popsicle calories.
Answer: Amy did become concerned about the extra popsicle calories.

Problem: How does the sentence end?

The oil made a smaller mess on the floor than on the grass because the 
OPTIONS:
- grass was porous.
- floor was porous.
Answer: floor was porous.

Problem: How does the sentence end?

He put the medicine ball and jump-rope away after his workout.  The 
OPTIONS:
- medicine ball was light.
- jump-rope was light.
Answer: jump-rope was light.

Problem: How does the sentence end?

The man chose a blue color for the bike and a pink color for the scooter, because he wanted the 
OPTIONS:
- bike to look masculine.
- scooter to look masculine.
Answer:
bike to look masculine.