the leek does not predate birr.
sent1: the curette is a jingle. sent2: the flavone is a jingle. sent3: the leek predates xenon. sent4: if the fact that the interphone predates birr and does tip is not correct then the leek does not predates birr. sent5: the leek is a jingle and does predate birr. sent6: the Pathan predates birr. sent7: the leek is both a Gilgamish and a Eucinostomus. sent8: the leek is a kind of apophyseal thing that steepens. sent9: the leek jingles. sent10: the overseer predates birr. sent11: the postmodernism does predate birr if it does jingle. sent12: a non-Eurasian thing is both a tip and a jingle.
sent5 -> hypothesis;
the leek does not predate birr.
$hypothesis$ = the leek does not predate birr. ; $context$ = sent1: the curette is a jingle. sent2: the flavone is a jingle. sent3: the leek predates xenon. sent4: if the fact that the interphone predates birr and does tip is not correct then the leek does not predates birr. sent5: the leek is a jingle and does predate birr. sent6: the Pathan predates birr. sent7: the leek is both a Gilgamish and a Eucinostomus. sent8: the leek is a kind of apophyseal thing that steepens. sent9: the leek jingles. sent10: the overseer predates birr. sent11: the postmodernism does predate birr if it does jingle. sent12: a non-Eurasian thing is both a tip and a jingle. ; $proof$ = 
sent5 -> hypothesis; __DISPROVED__