Dave is big. Dave is quiet. Dave is smart. Erin is cold. Erin is quiet. Erin is round. Erin is not smart. If someone is furry and quiet then they are round. If someone is young and big then they are not furry. Furry people are not smart. If someone is round and cold then they are young. If someone is round and not furry then they are quiet. If someone is not round then they are smart. If someone is young and not smart then they are big. If Erin is not big and Erin is not cold then Erin is not young.
Dave is not cold.