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: The future of a huge potash mine in North Yorkshire has been thrown into doubt after the company behind the project cancelled plans to raise $500m (£403m) through a bond sale.

Giant Yorkshire mine faces uncertain future