Claim: Upstairs cafés in Hong Kong are usually tiny, unadvertised businesses, but sometimes customers tend to reserve the whole outlets for parties and gatherings because of the low prices compared to other restaurants at street level.
Evidence: Customers of upstairs cafés sometimes reserve the whole outlet for parties and gatherings because the price of reservation is not as expensive as that of the restaurants at street level. Upstairs cafés are typically small businesses. These cafés are usually tiny, unadvertised, and located in unmarked buildings in Hong Kong.