The cat sees the squirrel. The cow needs the tiger. The squirrel sees the tiger. The tiger is red. If something is red and green then it needs the tiger. If something is blue then it needs the tiger. If something is blue and it sees the cat then it needs the cow. If something is red and it needs the cat then it likes the tiger. If something likes the tiger and it needs the cat then the cat sees the tiger. If something sees the tiger then the tiger is green.
The cat does not see the squirrel.