Dave is big. Dave is blue. Dave is furry. Dave is nice. Erin is big. Erin is blue. Erin is furry. Erin is nice. Erin is smart. Fiona is big. Fiona is cold. Fiona is furry. Fiona is nice. Fiona is rough. Fiona is smart. If Dave is furry then Dave is cold. If something is blue and cold then it is smart.
Dave is not cold.