Fiona is green. Fiona is quiet. Fiona is smart. If Fiona is white and Fiona is rough then Fiona is quiet. All rough, quiet people are round. If someone is smart and round then they are cold. Green people are rough. If someone is round then they are green. If someone is rough and smart then they are round. Cold people are white. All round people are rough.
Fiona is not rough.