His injury is a lot worse than her scratch because the 
OPTIONS:
- injury is from a tiny accident.
- scratch is from a tiny accident.
scratch is from a tiny accident.

The boy was more confident saying his speech in the classroom than in the gym because there were less people in the 
OPTIONS:
- classroom .
- gym .
classroom .

Nelson is poor at doing analysis, while Christopher is great at it, even though 
OPTIONS:
- Nelson is an accountant.
- Christopher is an accountant.
Nelson is an accountant.