Hints:

We are here.
The lake. Oh, at last.This is a perfect spot for a picnic.
And a nap.
But we just got here.
Let′s go in the water.
Don′t you want to come in?
Not yet.
You know why.
Let′s swim It′s fun.
For a fish.Or a bear.
Come on, it′s great.
It looks cold.