Problem: How does the sentence end?

The razor factory used plastic packages instead of cardboard packages, because the
Answer: cardboard was expensive.

Problem: How does the sentence end?

I took a class on how to drive a truck instead of a bus because driving the
Answer: bus pays less.

Problem: How does the sentence end?

Jill decided she wanted to throw the javelin in the track and field meet rather than the discus. The
Answer: javelin was easier on her shoulder.

Problem: How does the sentence end?

Ryan worked in a business office unlike Robert so
Answer:
Robert wore a t-shirt to work.