keeping warm is the opposite of becoming cold
warmth is not hotness. hot_and_cold is not opposites. cool is coldness. warm_and_cool is opposite_descriptions_of_temperature. wearing_clothes has not effect_of_keeping_warm cool is not coldness. wearing_clothes has effect_of_keeping_warm coat is not needed_when_cold_outside. hot_and_cold is opposites. warm_and_cool is not opposite_descriptions_of_temperature.