new snow is brought from other tadpole and gather on the bounce
snowball is sand_verbena. snow is form_of_crystalline_water. snow is crystalline_form_of_solid_water. snowball is ball. snow is frozen_water_falling_from_sky. snow is not crystalline_form_of_solid_water. snowflake is frozen_fresh_water. dead_cat_bounce is not rally. basketballs_bounce_when has enough_air_in