Problem: How does the sentence end?

The staple that I used worked a lot better than the tape because the 
Answer: tape was weaker.

Problem: How does the sentence end?

Tabatha wanted to be a medical doctor and got the right books but left out the materials because the 
Answer: materials were expensive.

Problem: How does the sentence end?

Jen applied the decoupage to the surface of the chair, because she thought the 
Answer: decoupage made the chair look shiny.

Problem: How does the sentence end?

I took my date to a concert instead of a movie because the 
Answer:
movie was more boring.