The dog is big. The dog visits the tiger. The mouse needs the squirrel. The mouse visits the squirrel. The squirrel chases the dog. The squirrel chases the mouse. The squirrel is round. The squirrel does not visit the mouse. The squirrel does not visit the tiger. The tiger chases the squirrel. The tiger is young. The tiger needs the dog. If the tiger chases the dog and the dog is not big then the dog is round. If something needs the dog then it visits the mouse.
The squirrel is round.