Problem: How does the sentence end?

You should feed that lettuce, not that carrot to your rabbits because the 
OPTIONS:
- lettuce is harder for them to digest.
- carrot is harder for them to digest.
Answer: carrot is harder for them to digest.
sentence: Megan had a better theory than Laura, so the profession gave  OPTIONS:
- Megan an average score.
- Laura an average score.
complete: Laura an average score.
Benjamin hated being in the sand and just watched Nelson make castle since 
OPTIONS:
- Benjamin hated to be messy.
- Nelson hated to be messy.
Benjamin hated to be messy.
Input: Continue writing.

Monica's wardrobe is much more vibrant than Mary's because 
OPTIONS:
- Monica likes to wear colorful garments.
- Mary likes to wear colorful garments.

Continued: Monica likes to wear colorful garments.
Story needs to be completed:
Lots of people who visit the beach also go to the pier, because the 
OPTIONS:
- beach can be very cold.
- pier can be very cold.

My choice:
beach can be very cold.
Problem: How does the sentence end?

The man chose concrete for his driveway rather than gravel although the 
OPTIONS:
- concrete was cheaper.
- gravel was cheaper.
Answer:
gravel was cheaper.