Charlie is round. Erin is round. Fiona is cold. Harry is furry. Green, cold people are quiet. If Harry is quiet and Harry is green then Harry is smart. All cold, smart people are round. If someone is quiet then they are cold. All green, smart people are quiet. If Charlie is cold then Charlie is quiet. If Charlie is cold then Charlie is green. If Charlie is smart then Charlie is furry.
Fiona is not cold.