The cow is young. If something is young then it is cold. If the cow is young and the cow is round then the cow is big. If something is not young then it is cold. Green, young things are not cold. All young things are round. If something is young and not cold then it is green. If something is round and not cold then it is green. If the cow is big and the cow is not cold then the cow is round.
The cow is not young.