Problem: Continue the following story.

Mary gave the remote to Monica because
Here's how I want to continue it: Monica wanted to change the channel and watch a different tv show.

Problem: Continue the following story.

The poison snake bit the girl and the doctor applied medication but it was too late; the
Here's how I want to continue it: medication was too weak.

Problem: Continue the following story.

The cat peed in the bedroom a lot while the dog never did.
Here's how I want to continue it:
cat was badly behaved.