Take context from the input text and decide on the accurate relationship between 'Man Group' and 'hedge fund' from the options provided.
Options: industry, chief executive officer, currency, stock exchange

SHANGHAI, Aug 31 (Reuters) - Chinese authorities have taken Li Yifei, chairwoman of British hedge fund manager Man Group (LSE: EMG.L - news ) Plc's China unit, into custody to help with a police probe into market volatility, Bloomberg reported on Monday, citing a person familiar with the matter.
industry