Problem: How does the sentence end?

I tried to mop the floor with vinegar but had to do it over with soap because the 
OPTIONS:
- vinegar was ineffective.
- soap was ineffective.
Answer: vinegar was ineffective.
sentence: Logan quits his job on Friday, but Joel continues to work at the same company, so  OPTIONS:
- Logan was likely unhappy.
- Joel was likely unhappy.
complete: Logan was likely unhappy.
Since Kayla had an interest in biotechnology, her school counselor Emily recommended she major in biology in college. 
OPTIONS:
- Kayla recommended several colleges with good biology programs.
- Emily recommended several colleges with good biology programs.
Emily recommended several colleges with good biology programs.
Input: Continue writing.

William needed more wood this winter than Nick because 
OPTIONS:
- William used all of it last year.
- Nick used all of it last year.

Continued: William used all of it last year.
Story needs to be completed:
Monica demonstrated to Katrina how to play YouTube videos without popup ads.  
OPTIONS:
- Monica was savvy.
- Katrina was savvy.

My choice:
Monica was savvy.
Problem: How does the sentence end?

The dog looked at the fence and the gate and wondered if it would be best to go over the 
OPTIONS:
- fence .
- gate .
Answer:
fence .