Input: Continue writing.

Ian was learning from Nelson about caterpillars because 
OPTIONS:
- Ian was a student at the local university.
- Nelson was a student at the local university.

Continued: Ian was a student at the local university.


Input: Continue writing.

The choice of fabric for the clothes instead of using a composite was made because the 
OPTIONS:
- fabric was stiff.
- composite was stiff.

Continued: composite was stiff.


Input: Continue writing.

Bradley wants to buy a motorcycle and sell his SUV because the 
OPTIONS:
- motorcycle won't save a lot of money on gas.
- SUV won't save a lot of money on gas.

Continued: SUV won't save a lot of money on gas.


Input: Continue writing.

Joe didn't like metal chairs without a cushion because the 
OPTIONS:
- metal was more comfortable when sitting a long time.
- cushion was more comfortable when sitting a long time.

Continued:
cushion was more comfortable when sitting a long time.