the driftfish is not shockable but a tackler.
sent1: if something does not skid Phyllostomidae it is not a kind of a tackler. sent2: the driftfish is domiciliary. sent3: the driftfish is unshockable if it is domiciliary. sent4: something is domiciliary and unshockable if it is not a tackler. sent5: the driftfish is a tackler and skids Phyllostomidae.
sent3 & sent2 -> int1: the driftfish is not shockable.; sent5 -> int2: the driftfish is a tackler.; int1 & int2 -> hypothesis;
the nailhead is unshockable.
sent4 -> int3: the nailhead is both domiciliary and unshockable if it is not a kind of a tackler.; sent1 -> int4: if the nailhead does not skid Phyllostomidae then it is not a kind of a tackler.;
$hypothesis$ = the driftfish is not shockable but a tackler. ; $context$ = sent1: if something does not skid Phyllostomidae it is not a kind of a tackler. sent2: the driftfish is domiciliary. sent3: the driftfish is unshockable if it is domiciliary. sent4: something is domiciliary and unshockable if it is not a tackler. sent5: the driftfish is a tackler and skids Phyllostomidae. ; $proof$ = 
sent3 & sent2 -> int1: the driftfish is not shockable.; sent5 -> int2: the driftfish is a tackler.; int1 & int2 -> hypothesis; __PROVED__