Dave is cold. Dave is furry. Dave is rough. If something is cold then it is blue. All quiet things are big. All blue, cold things are quiet. If something is quiet and not white then it is rough. All cold, blue things are rough. If Dave is quiet and Dave is white then Dave is blue. If something is not blue and not cold then it is big. If something is blue and not rough then it is not quiet.
Dave is not cold.