premise: A man dressed only in a towel is in a sauna. hypothesis: An old man dressed only in a yellow towel is sweating in a sauna.
neutral: Not every man is an old man.  Not all towels are yellow.  Being in a sauna does not necessarily mean he is sweating in a sauna.|neutral: Towels need not be only yellow.  Men need not be sweating in a sauna.|neutral: Not all men are old.