the Cognac is valvular.
sent1: there exists something such that it does not drone Gastrophryne. sent2: the Cognac drones Gastrophryne if the fact that the sultriness drones assailability but it is not Leonardesque is not incorrect. sent3: if the sultriness does not drone assailability and it is not Leonardesque that the Cognac drones Gastrophryne is not wrong. sent4: the sultriness does not drone assailability and it is not Leonardesque if something is not a suppressor. sent5: if the Mauritian is a circuitry then the fact that the fallboard does not drone Gastrophryne and is Leonardesque is incorrect. sent6: if something is not a circuitry then the fact that it is not valvular is correct. sent7: if the Cognac drones Gastrophryne it is not a circuitry. sent8: if there is something such that it is not Leonardesque then the sultriness does not drone assailability and is not a circuitry. sent9: something is not a kind of a suppressor. sent10: the waterfowl is not Leonardesque.
sent9 & sent4 -> int1: the sultriness does not drone assailability and is not Leonardesque.; int1 & sent3 -> int2: the Cognac does drone Gastrophryne.; int2 & sent7 -> int3: the Cognac is not a circuitry.; sent6 -> int4: the Cognac is not valvular if it is not a kind of a circuitry.; int3 & int4 -> hypothesis;
that the Cognac is not valvular is false.
$hypothesis$ = the Cognac is valvular. ; $context$ = sent1: there exists something such that it does not drone Gastrophryne. sent2: the Cognac drones Gastrophryne if the fact that the sultriness drones assailability but it is not Leonardesque is not incorrect. sent3: if the sultriness does not drone assailability and it is not Leonardesque that the Cognac drones Gastrophryne is not wrong. sent4: the sultriness does not drone assailability and it is not Leonardesque if something is not a suppressor. sent5: if the Mauritian is a circuitry then the fact that the fallboard does not drone Gastrophryne and is Leonardesque is incorrect. sent6: if something is not a circuitry then the fact that it is not valvular is correct. sent7: if the Cognac drones Gastrophryne it is not a circuitry. sent8: if there is something such that it is not Leonardesque then the sultriness does not drone assailability and is not a circuitry. sent9: something is not a kind of a suppressor. sent10: the waterfowl is not Leonardesque. ; $proof$ = 
sent9 & sent4 -> int1: the sultriness does not drone assailability and is not Leonardesque.; int1 & sent3 -> int2: the Cognac does drone Gastrophryne.; int2 & sent7 -> int3: the Cognac is not a circuitry.; sent6 -> int4: the Cognac is not valvular if it is not a kind of a circuitry.; int3 & int4 -> hypothesis; __DISPROVED__