The bear is rough. The mouse does not chase the bear. The rabbit is big. If something is not nice then it does not need the rabbit. If something sees the bear then the bear chases the mouse. If something does not see the rabbit then it sees the bear. If something is not blue then it does not need the mouse. If something chases the mouse then it is rough. If the rabbit is nice and the rabbit needs the mouse then the rabbit does not chase the mouse. If the rabbit needs the mouse and something does not need the rabbit then the mouse does not see the bear. If the bear does not see the rabbit then the bear sees the mouse.
The mouse does not need the bear.