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: Communities in Carmarthenshire have been left "defenceless" against the rise of second homes, a senior county councillor has said.

Second homes: Communities left 'defenceless' by market forces, councillor says