a warm environment usually has more food than a cold environment
warm_things is not_cool_things. hot_food is hot_thing. house is often_safer_than_outdoors. sun is hotter_than_ocean. warmth_water_and_food is fundamental_human_needs. warmth is hotness. tops_of_mountains is colder_than_surrounding_countryside. hot_air is lighter_than_cold_air. hot_food_or_drink is food_or_drink_cold. cool is coldness.