Q: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Pole dance combines dance and acrobatics centered on a vertical pole. This performance art form takes place not only in gentleman's clubs as erotic dance, but has also recently gained popularity as a mainstream form of fitness, practiced by many enthusiasts in gyms and in dedicated dance studios. Amateur and professional pole dancing competitions are held in countries around over the world. Question: Chinese poles have been used for the dancing that has recently gained popularity as a mainstream form of what activity? Answer: fitness
A:
This performance art form takes place not only in gentlemans clubs as erotic dance, but has also recently gained popularity as a mainstream form of fitness, practiced by many enthusiasts in gyms and in dedicated dance studios.