the curator refers Vaseline.
sent1: if the curator is a kind of useful an emptiness it does not refer Vaseline. sent2: the curator is a kind of an emptiness. sent3: the blockade is an emptiness and it is a slapstick. sent4: the curator is a kind of useful an imponderable.
sent4 -> int1: the curator is useful.; int1 & sent2 -> int2: the curator is useful an emptiness.; int2 & sent1 -> hypothesis;
$hypothesis$ = the curator refers Vaseline. ; $context$ = sent1: if the curator is a kind of useful an emptiness it does not refer Vaseline. sent2: the curator is a kind of an emptiness. sent3: the blockade is an emptiness and it is a slapstick. sent4: the curator is a kind of useful an imponderable. ; $proof$ = 
sent4 -> int1: the curator is useful.; int1 & sent2 -> int2: the curator is useful an emptiness.; int2 & sent1 -> hypothesis; __DISPROVED__