The bald eagle is blue. The bald eagle is cold. The bald eagle is green. The bald eagle is rough. The bald eagle is young. All rough things are blue. If the bald eagle is rough and the bald eagle is green then the bald eagle is cold. If something is not young then it is green. All young, rough things are blue. If something is not young then it is rough. If the bald eagle is young and the bald eagle is rough then the bald eagle is cold. All blue things are rough. If something is green and not rough then it is cold.
The bald eagle is not blue.