The bear is not green. If the bear is rough and the bear is green then the bear is round. Rough things are round. Rough, round things are not young. If the bear is rough then the bear is young. If something is young and rough then it is round. All young, rough things are not green. If the bear is not young then the bear is round. If something is cold and not round then it is green.
The bear is not rough.