Problem: Continue the following story.

The poems of Samantha are graded poorly by Victoria, so
Here's how I want to continue it: Samantha is likely the writing student.

Problem: Continue the following story.

The researchers did a study on Natalie but excluded Christine because
Here's how I want to continue it: Natalie was a qualified subject.

Problem: Continue the following story.

Megan offered to wash and dry the dishes for Jessica because
Here's how I want to continue it:
Jessica was extremely busy.