The bear chases the tiger. The bear is not young. The mouse chases the bear. The mouse needs the bear. The mouse needs the tiger. The mouse does not see the tiger. The squirrel chases the tiger. The squirrel is cold. The squirrel is round. The squirrel is young. The squirrel does not see the mouse. The tiger does not chase the bear. The tiger chases the squirrel. The tiger is young. The tiger does not need the bear. The tiger needs the squirrel. If something sees the bear and the bear needs the tiger then it is rough. If the tiger is round then the tiger sees the bear.
The tiger is not rough.