Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: A man who helped police return two stolen penguins to a zoo has said he was "heartbroken" when he learned the birds had been taken illegally.

Buyer helps return stolen Cumbria zoo penguins