The bear is cold. The cow chases the squirrel. The squirrel visits the tiger. The tiger chases the cow. If someone chases the squirrel and they do not see the squirrel then they do not chase the tiger. If someone sees the squirrel and the squirrel does not visit the bear then they chase the cow. If someone chases the cow and they are not young then they chase the squirrel.
The squirrel does not visit the tiger.