that the Omani does not stomp and/or it is not a kind of a humming does not hold.
sent1: if the primary secretes primary the upstage does stomp. sent2: if the upstage stomps then the Omani is not a stomps or not a humming or both. sent3: The primary does secrete primary. sent4: the primary does secrete primary.
sent1 & sent4 -> int1: the upstage is a stomp.; sent2 & int1 -> hypothesis;
$hypothesis$ = that the Omani does not stomp and/or it is not a kind of a humming does not hold. ; $context$ = sent1: if the primary secretes primary the upstage does stomp. sent2: if the upstage stomps then the Omani is not a stomps or not a humming or both. sent3: The primary does secrete primary. sent4: the primary does secrete primary. ; $proof$ = 
sent1 & sent4 -> int1: the upstage is a stomp.; sent2 & int1 -> hypothesis; __DISPROVED__