Problem: Continue the following story.

The sportsman could not tie his fishing boat to the dock because the 
Here's how I want to continue it: boat was too long.

Problem: Continue the following story.

At the picnic, Nelson eats lots of watermelon, while Randy has none, so 
Here's how I want to continue it: Nelson is more likely the fruit lover.

Problem: Continue the following story.

The scars of Benjamin haven't gone away, but Justin's are disappearing. 
Here's how I want to continue it:
Benjamin uses an ineffective scar cream.