The bear visits the tiger. The cat visits the tiger. The squirrel sees the tiger. The tiger needs the cat. If someone visits the tiger then they are blue. If someone needs the squirrel then the squirrel needs the cat. If someone is cold and green then they see the bear. If someone needs the bear and they visit the bear then the bear needs the tiger. If someone sees the tiger then the tiger is green. If someone visits the cat then the cat is green.
The squirrel does not see the tiger.