if light is transferred to an preposition , then the preposition will put hot
heat_production is energy_transfer. heat_exchanger is device. transfer_posterior_to_anterior is not medical_procedure. steam_heat is heating_system. hot_air is air. hot_air is not air. if_water is too_hot_will_burn. preposition_of is preposition. transfer_posterior_to_posterior is not medical_procedure. heat_production is not energy_transfer.