Problem: How does the sentence end?

Christine was writing a script for a play and Rachel wanted to act, so
OPTIONS:
- Christine gave their script to read.
- Rachel gave their script to read.
Answer: Christine gave their script to read.

Problem: How does the sentence end?

Jason needed help with their diet plan and Derrick was happy to help.
OPTIONS:
- Jason followed the plan.
- Derrick followed the plan.
Answer: Jason followed the plan.

Problem: How does the sentence end?

The chef tried to put the prune inside the glass but the
OPTIONS:
- prune was too small.
- glass was too small.
Answer: glass was too small.

Problem: How does the sentence end?

The new comic book John purchased would not fit into his protective case, the
OPTIONS:
- case was too small.
- comic was too small.
Answer:
case was too small.