Problem: How does the sentence end?

William brought a bunch medicine and first aid kit to store in the storehouse with Steven because 
Answer: William is a doctor.

Problem: How does the sentence end?

The afternoon meditation was interrupted by the music because the 
Answer: music was far too noisy.

Problem: How does the sentence end?

While buying gas at the station, Sam decided to buy biodiesel instead of diesel. The 
Answer: diesel was old news.

Problem: How does the sentence end?

Katrina made sure to help organise the big event for Rachel's big speech because 
Answer:
Rachel was the speaker.