Problem: Continue the following story.

Megan suffered from PTSD and was very interesting to Samantha, because 
OPTIONS:
- Megan  is the unique case.
- Samantha  is the unique case.
Here's how I want to continue it: Megan  is the unique case.

Problem: Continue the following story.

For his public speaking event, the man chose pants instead of shorts because the 
OPTIONS:
- shorts were inappropriate.
- pants were inappropriate.
Here's how I want to continue it: shorts were inappropriate.

Problem: Continue the following story.

Because Brett was being helped with moving by Donald, 
OPTIONS:
- Brett was feeling very appreciative when the help was offered.
- Donald was feeling very appreciative when the help was offered.
Here's how I want to continue it:
Brett was feeling very appreciative when the help was offered.