The bear is rough. The bear is round. The bear needs the mouse. The mouse chases the bear. The mouse is green. The mouse is nice. The mouse is rough. If the bear chases the mouse and the bear is nice then the bear needs the mouse. If something needs the mouse and it visits the mouse then the mouse needs the bear. If something needs the bear then it needs the mouse. If something is not green then it does not visit the bear. If the mouse is not cold and the mouse is not nice then the mouse does not need the bear. If something is green and it does not chase the bear then the bear does not visit the mouse. If the bear chases the mouse and the bear visits the mouse then the bear is not rough. If the mouse chases the bear and the mouse does not visit the bear then the bear visits the mouse.
The mouse does not need the bear.