Problem: How does the sentence end?

Jennifer accepted the medal that they won graciously as Lindsey looked on, since 
OPTIONS:
- Jennifer was the champion.
- Lindsey was the champion.
Answer: Jennifer was the champion.
sentence: I wanted to stop the gas from leaking by using a sealant but the force of the  OPTIONS:
- gas is too strong.
- sealant is too strong.
complete: gas is too strong.
Jennifer was excited to play with Kayla but they had already left. 
OPTIONS:
- Jennifer was regretful.
- Kayla was regretful.
Jennifer was regretful.
Input: Continue writing.

Jack turned on the fan in the bathroom, but the odor was still there after 30 minutes. The 
OPTIONS:
- odor was weak.
- fan was weak.

Continued: fan was weak.
Story needs to be completed:
Joel confided in Kevin about many things because he had a court date coming up. 
OPTIONS:
- Joel was his attorney.
- Kevin was his attorney.

My choice:
Kevin was his attorney.
Problem: How does the sentence end?

Teaching decoupage was a passion of Matthew and Logan wanted to learn so, 
OPTIONS:
- Matthew  took a class on how to do it.
- Logan  took a class on how to do it.
Answer:
Logan  took a class on how to do it.