Problem: How does the sentence end?

The roses grown by William were taller than the ones of Craig because 
OPTIONS:
- William had poorer soil.
- Craig had poorer soil.
Answer: Craig had poorer soil.

Problem: How does the sentence end?

Erin was a christian man and went to church every Sunday unlike Victoria, therefore 
OPTIONS:
- Erin was religious.
- Victoria was religious.
Answer: Erin was religious.

Problem: How does the sentence end?

Brett used a reusable water bottle while Matthew bought plastic disposable ones. 
OPTIONS:
- Brett felt being green was important.
- Matthew felt being green was important.
Answer: Brett felt being green was important.

Problem: How does the sentence end?

At detox, Aaron is mentored by Steven because 
OPTIONS:
- Aaron has been in the program longer.
- Steven has been in the program longer.
Answer:
Steven has been in the program longer.