Problem: How does the sentence end?

In choir, Laura is taking voice lessons from Erin, so it's likely 
OPTIONS:
- Laura is the teacher.
- Erin is the teacher.
Answer: Erin is the teacher.
sentence: John broke the tablet when he placed the box on it not knowing the  OPTIONS:
- tablet is heavy.
- box is heavy.
complete: box is heavy.
The dog liked Carrie but it didn't like Christine very much because 
OPTIONS:
- Carrie always fed it.
- Christine always fed it.
Carrie always fed it.
Input: Continue writing.

The illness affected Dennis's health a lot more than Lawrence's because 
OPTIONS:
- Dennis lived a healthy lifestyle.
- Lawrence lived a healthy lifestyle.

Continued: Lawrence lived a healthy lifestyle.
Story needs to be completed:
Dogs seem to like Ryan and not Benjamin because 
OPTIONS:
- Ryan has an unfriendly disposition and is very rough with them.
- Benjamin has an unfriendly disposition and is very rough with them.

My choice:
Benjamin has an unfriendly disposition and is very rough with them.
Problem: How does the sentence end?

I went to pour more water from the watercooler into the bottle but the 
OPTIONS:
- watercooler was full.
- bottle was full.
Answer:
bottle was full.