Cheung Chau becomes the center of Hong Kong life once a year, usually in May, during the Bun Festival, a folklore extravaganza .
Hong Kong life is centered on Cheung Chau every month.
mnli hypothesis: Hong Kong life is centered on Cheung Chau every month. premise: Cheung Chau becomes the center of Hong Kong life once a year, usually in May, during the Bun Festival, a folklore extravaganza .