The lion sees the rabbit. The lion visits the rabbit. The rabbit sees the lion. If someone needs the rabbit then the rabbit is red. If someone sees the lion then the lion needs the rabbit. If someone visits the lion then they visit the rabbit. If someone is red then they visit the lion. If someone is green and they do not need the rabbit then the rabbit sees the lion. If someone does not see the lion then they visit the rabbit.
The rabbit needs the lion.