Erin is big. If Erin is blue and Erin is green then Erin is big. If someone is white and not blue then they are smart. All young, red people are not green. All red people are not young. If someone is big then they are young. If someone is not red then they are not white. If someone is big and not blue then they are not red. Young people are smart.
Erin is not blue.