The cat needs the cow. The cat sees the lion. The cat visits the squirrel. The cow visits the squirrel. The lion needs the squirrel. The lion sees the squirrel. The squirrel is red. The squirrel is round. The squirrel visits the cat. The squirrel visits the lion. If something needs the squirrel and it visits the lion then it sees the lion. If something is cold then it sees the cat. If something sees the squirrel then the squirrel is cold.
The cow does not see the cat.