Sam Shark Gets Stuck on the Sand

Sleek Dolphin can be counted on to help out his fellow inhabitants of the sea. Today he is leaping and playing near the shore when he stumbles upon a shark who has gotten himself stuck in the sands of the ocean floor. "I swam too close to the shoreline", complains the shark when Sleek swims closer to investigate. Sleek''s offer of assistance is refused. Is the shark wise to turn down help? The dol...