Story needs to be completed:
I poured the heavy cream from the bowl into the jar until the 
OPTIONS:
- bowl was full.
- jar was full.

My choice:
jar was full.
Problem: Continue the following story.

Doctors usually prefer to give patients vaccines instead of medications because the 
OPTIONS:
- vaccines are more certain.
- medications are more certain.
Here's how I want to continue it: vaccines are more certain.
Problem: Joan wanted to put all her jewelry in the safety deposit box but the 
OPTIONS:
- jewelry was too big.
- box was too big.

My choice: jewelry was too big.
[Q]: How does the sentence end?

At the party, William had several glasses of the spiked punch and Christopher had none, because 
OPTIONS:
- William is a teetotaler.
- Christopher is a teetotaler.

[A]: Christopher is a teetotaler.
QUES: Continue writing.

Carrie laid on the table as Betty applied lotion to their body, because 

OPTIONS:
- Carrie was giving a massage.
- Betty was giving a massage.
+++++++++
ANS: Betty was giving a massage.
QUES: Continue writing.

Tanya didn't want to be friends with Cynthia because 

OPTIONS:
- Tanya was a bit of a loner.
- Cynthia was a bit of a loner.
+++++++++
ANS:
Tanya was a bit of a loner.