Bob is quiet. Bob is round. Bob is white. Erin is furry. Erin is not quiet. Erin is rough. Erin is round. Erin is smart. Fiona is not furry. Fiona is red. Fiona is rough. Fiona is not white. Harry is furry. Harry is not red. Harry is not rough. Harry is round. If Erin is red then Erin is not furry. If someone is white and not red then they are not rough. If someone is furry and red then they are quiet. Smart, red people are not quiet. If Bob is smart and Bob is quiet then Bob is not red. Quiet, smart people are not red. If someone is rough and white then they are not red. If someone is not furry and not white then they are rough.
Bob is quiet.