The bear is round. The bear sees the lion. The bear sees the mouse. The bear sees the squirrel. The lion visits the mouse. The lion visits the squirrel. The mouse is red. The mouse needs the lion. The mouse sees the bear. The mouse sees the squirrel. The squirrel is red. The squirrel visits the lion. If something sees the lion then the lion is rough. If something is rough then it needs the bear. If the bear is round and the bear visits the lion then the lion visits the mouse.
The lion does not need the bear.