sentences: if something is soluble in something , then that something can be dissolved in something forming a solution
docs: solution is fluid_substance. element is substance. water_soluble_substance is tangible_thing. fabric_softener is water_soluble_substance. vitamin_c is water_soluble_vitamin. detergent is water_soluble_substance. water_soluble_vitamin is vitamin. mixture is substance. sugar is water_soluble_substance.