sentences: water vapor is formed by water evaporating
docs: vaporization is annihilation. water_vapor is gas. gaseous_form_of_water is steam. water_evaporation is evaporating. water_evaporation is destruction_event. evaporating is vaporization. water_vapor is vapor. spray is water_vapor. liquid_water_formed_from_water_vapor is distilled_water. water_vapor is tiny_droplets_of_water.