Problem: How does the sentence end?

The roses grown by William were taller than the ones of Craig because 
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 
Answer: Erin was religious.

Problem: How does the sentence end?

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

Problem: How does the sentence end?

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