Bob is cold. Bob is quiet. Bob is red. Bob is rough. Bob is young. Dave is cold. Dave is furry. Dave is red. Fiona is cold. Fiona is quiet. Fiona is red. Fiona is rough. Fiona is young. Harry is cold. Harry is furry. Harry is young. If someone is furry then they are young. Rough, young people are quiet. If someone is furry then they are cold. Furry, rough people are cold. Young people are rough. Rough, red people are furry. If Harry is furry then Harry is young. All round, young people are rough.
Fiona is not furry.