Dave is cold. Dave is green. Dave is quiet. Dave is rough. Dave is round. Dave is smart. Dave is young. Fiona is cold. Fiona is green. Fiona is quiet. Fiona is rough. Fiona is round. Fiona is smart. Fiona is young. Rough things are green. If something is rough then it is quiet. All green, cold things are quiet. If Fiona is smart then Fiona is round. If something is smart and rough then it is quiet. All green things are quiet.
Fiona is round.