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 protests in Hong Kong have heightened tensions between the territory and China, and generated headlines the world over. They have also deepened unease many thousands of miles away - on US campuses.

Hong Kong protests: How tensions have spread to US