The cow needs the mouse. The cow needs the squirrel. The mouse chases the squirrel. The mouse is big. The mouse needs the squirrel. The mouse sees the rabbit. The rabbit chases the mouse. The rabbit needs the mouse. The squirrel is not rough. The squirrel is not young. If the rabbit does not chase the cow then the rabbit is blue. If something chases the mouse and the mouse does not chase the cow then it chases the squirrel.
The squirrel does not see the mouse.