Problem: Continue the following story.

Christine helped Sarah to feed the goldfish because 
Here's how I want to continue it: Sarah was going out of town.

Problem: Continue the following story.

The principal said that Rebecca was very good at algebra unlike Natalie, therefore 
Here's how I want to continue it: Rebecca passed all the tests.

Problem: Continue the following story.

At Cynthia's house you will find a pet dog at Rachel house you wiil find an ant-farm, 
Here's how I want to continue it:
Rachel likes pet insects.