Erin is red. Erin is round. Fiona is blue. Fiona is red. Fiona is smart. Harry is big. Harry is quiet. Harry is red. Harry is smart. Harry is young. If someone is red then they are young. If someone is red and quiet then they are big. If someone is young and blue then they are round. If someone is quiet and red then they are big. If someone is smart then they are big. Young, big people are smart. If Fiona is quiet then Fiona is smart. If Erin is big then Erin is quiet.
Fiona is not round.