The cat is blue. The cat is not rough. The cat is young. The cat needs the lion. The lion is red. The lion is young. The lion visits the cat. The lion visits the tiger. The tiger chases the cat. The tiger chases the lion. The tiger is young. The tiger visits the lion. If something is red then it needs the cat. If something chases the lion then it needs the cat. Young things are red.
The tiger does not chase the tiger.