Problem: Continue the following story.

Samantha asked Sarah if she had made the appointment with the doctor but 
Here's how I want to continue it: Sarah had forgotten.

Problem: Continue the following story.

The senior's walker fit in the hallway but got stuck in the doorway because the 
Here's how I want to continue it: hallway was wider .

Problem: Continue the following story.

It was easy for Robert but not Derrick to sleep on the bench because 
Here's how I want to continue it:
Robert did not take up much space.