either the Argentinian is not a kind of an invalid or it is monotypic or both.
sent1: the Argentinian does invalid. sent2: if that the whinchat does fidget Willis but it is not calyptrate is false then the zinc is calyptrate. sent3: the whinchat looks levallorphan. sent4: The levallorphan looks whinchat. sent5: the fact that the Argentinian is an invalid hold if the whinchat is not monotypic. sent6: something is both not a Rhexia and not a Cuzco if it is not a score. sent7: something does fidget Willis and it looks levallorphan if it is not a Cuzco. sent8: the fact that the whinchat looks Copehan hold. sent9: something is a kind of a xanthine and it does look Copehan if it does not look levallorphan. sent10: The fact that the Copehan looks whinchat hold. sent11: that the fact that either the Argentinian is not a kind of an invalid or it is monotypic or both is right does not hold if the whinchat is not monotypic. sent12: that the whinchat fidgets Willis and is not calyptrate is not right. sent13: if the whinchat looks Copehan and it looks levallorphan then it is not monotypic.
sent8 & sent3 -> int1: the whinchat does look Copehan and it does look levallorphan.; int1 & sent13 -> int2: that the whinchat is not monotypic is not wrong.; int2 & sent11 -> hypothesis;
the Argentinian is not an invalid or monotypic or both.
sent7 -> int3: the whinchat does fidget Willis and looks levallorphan if the fact that it is not a Cuzco is right.; sent6 -> int4: the birdnest is not a Rhexia and it is not a kind of a Cuzco if it is not a kind of a score.;
$hypothesis$ = either the Argentinian is not a kind of an invalid or it is monotypic or both. ; $context$ = sent1: the Argentinian does invalid. sent2: if that the whinchat does fidget Willis but it is not calyptrate is false then the zinc is calyptrate. sent3: the whinchat looks levallorphan. sent4: The levallorphan looks whinchat. sent5: the fact that the Argentinian is an invalid hold if the whinchat is not monotypic. sent6: something is both not a Rhexia and not a Cuzco if it is not a score. sent7: something does fidget Willis and it looks levallorphan if it is not a Cuzco. sent8: the fact that the whinchat looks Copehan hold. sent9: something is a kind of a xanthine and it does look Copehan if it does not look levallorphan. sent10: The fact that the Copehan looks whinchat hold. sent11: that the fact that either the Argentinian is not a kind of an invalid or it is monotypic or both is right does not hold if the whinchat is not monotypic. sent12: that the whinchat fidgets Willis and is not calyptrate is not right. sent13: if the whinchat looks Copehan and it looks levallorphan then it is not monotypic. ; $proof$ = 
sent8 & sent3 -> int1: the whinchat does look Copehan and it does look levallorphan.; int1 & sent13 -> int2: that the whinchat is not monotypic is not wrong.; int2 & sent11 -> hypothesis; __DISPROVED__