Dave is big. Dave is cold. Dave is furry. Dave is quiet. Dave is rough. Dave is round. Dave is white. If Dave is white then Dave is round. If someone is quiet then they are rough. Furry, rough people are quiet. Round, white people are quiet. If someone is big and rough then they are furry. Big people are white. If someone is rough and cold then they are furry. If someone is furry then they are big.
Dave is not round.