Input: Continue writing.

Though they attended the same exercise class Christopher got hurt while Jeffrey was fine because 
OPTIONS:
- Christopher was more careful.
- Jeffrey was more careful.

Continued: Jeffrey was more careful.


Input: Continue writing.

The woman left the rice cooking on the stove but removed the beef because she didn't want the 
OPTIONS:
- rice to be overcooked.
- beef to be overcooked.

Continued: beef to be overcooked.


Input: Continue writing.

After Samantha finished putting nail polish their daughter's nails, Natalie paid for the service; then 
OPTIONS:
- Samantha wondered why they didn't receive a tip.
- Natalie wondered why they didn't receive a tip.

Continued: Samantha wondered why they didn't receive a tip.


Input: Continue writing.

Matthew put copper insulation in their pipes while Robert didn't, so 
OPTIONS:
- Matthew 's pipe were clean.
- Robert 's pipe were clean.

Continued:
Matthew 's pipe were clean.