Dave is blue. Dave is nice. Dave is smart. Erin is big. Erin is blue. Erin is quiet. Erin is rough. Erin is white. Fiona is blue. Harry is big. Harry is blue. Harry is nice. Harry is quiet. Harry is smart. Harry is white. All white, blue people are quiet. If someone is quiet and white then they are big. Blue people are white. If someone is big then they are white. Nice people are white. If Fiona is blue then Fiona is big. If someone is quiet and rough then they are white. If someone is rough and white then they are big.
Fiona is not white.