less dense liquids float on liquids that are more dense
liquid_water is denser_than_air. liquid_concrete is not liquid. pool_water is not liquid. hold_liquids is contain_liquids. liquid_water is not 800_times_denser_than_air. liquid_water is not denser_than_air. pool_water is liquid. hold_liquids is not contain_liquids. liquid is more_common_word_than_fluid. liquid_water is 800_times_denser_than_air.