Bob is red. Bob is rough. Dave is not cold. Dave is red. Dave is rough. Dave is smart. Erin is smart. Erin is white. Fiona is cold. Fiona is smart. If someone is cold then they are rough. If someone is white then they are quiet. If Dave is red and Dave is not cold then Dave is rough. If Bob is young and Bob is quiet then Bob is smart. All quiet people are smart. If someone is not rough and not quiet then they are young. If someone is not young then they are white. If someone is not white and not cold then they are red.
Bob is not cold.