Bob is quiet. Bob is smart. Charlie is red. Charlie is young. Dave is quiet. Dave is red. Dave is round. Dave is smart. Fiona is red. Fiona is round. Young, smart things are red. If Fiona is round then Fiona is big. If something is big and round then it is quiet. Big, smart things are white. If Dave is white then Dave is young. If Fiona is red and Fiona is white then Fiona is young. Quiet, big things are smart. If something is red then it is big.
Bob is young.