Carrie was a teacher of math and Elena was their student, so
OPTIONS:
- Carrie gave lots of homework.
- Elena gave lots of homework.
Carrie gave lots of homework.

Samantha was was quite active, so was a good coach for Emily's weight loss because
OPTIONS:
- Samantha could teach healthy habits to him.
- Emily could teach healthy habits to him.
Samantha could teach healthy habits to him.

Despite attending school together, Mary did not want to be friends with Elena.
OPTIONS:
- Mary thought that they were generally nice and kind to other people.
- Elena thought that they were generally nice and kind to other people.
Elena thought that they were generally nice and kind to other people.