premise: a violist playing next to an advertising sign. hypothesis: A violinist plays next to a sign asking for donations.
neutral: it says the instument never saying she was playing it in first sentence so we wouldnt ssume she could just be holding it,  or it could be just sitting there . doesnt say she was asking for anything just says she was next to a sign really doesnt say any human at all was in sentence one just a instrument next to a sign.