Problem: Samantha was used to the altitude but Sarah was not, so
OPTIONS:
- Samantha fainted at the summit.
- Sarah fainted at the summit.

My choice: Sarah fainted at the summit.

Problem: John bought the word processing software but couldn't afford a new operating system because the
OPTIONS:
- word processing software was inexpensive.
- operating system was inexpensive.

My choice: word processing software was inexpensive.

Problem: Patricia was flaky but Megan was consistent, and
OPTIONS:
- Patricia would always reverse her own decisions.
- Megan would always reverse her own decisions.

My choice: Patricia would always reverse her own decisions.

Problem: Rachel is teaching Samantha how to read a book that is very interesting, since
OPTIONS:
- Rachel is a teacher.
- Samantha is a teacher.

My choice:
Rachel is a teacher.