the fact that not the demotion but the sounding sanatorium occurs is not correct.
sent1: the fact that both the non-literaryness and the glint occurs is wrong. sent2: that that not the pronation but the galling consanguinity occurs is right is not right. sent3: that not the muffing hypernatremia but the clasp occurs is false. sent4: the fact that that not the demotion but the sounding sanatorium happens is incorrect is correct. sent5: the fact that the demotion and the sounding sanatorium happens does not hold. sent6: the fact that not the muffing endgame but the humaneness happens is not true. sent7: if the fact that the sales does not occur is correct then both the insentientness and the muffing disingenuousness occurs. sent8: the demotion does not occur if the muffing disingenuousness does not occur and the sales occurs. sent9: that not the priorship but the impetiginousness occurs is incorrect. sent10: that not the forbearance but the muffing banquet happens does not hold. sent11: if the mastoidectomy does not occur but the sounding physiotherapy happens then the sales does not occur. sent12: if the insentientness occurs that the concealment does not occur and the muffing adorability happens is wrong.
sent4 -> hypothesis;
that not the concealment but the muffing adorability occurs is not right.
$hypothesis$ = the fact that not the demotion but the sounding sanatorium occurs is not correct. ; $context$ = sent1: the fact that both the non-literaryness and the glint occurs is wrong. sent2: that that not the pronation but the galling consanguinity occurs is right is not right. sent3: that not the muffing hypernatremia but the clasp occurs is false. sent4: the fact that that not the demotion but the sounding sanatorium happens is incorrect is correct. sent5: the fact that the demotion and the sounding sanatorium happens does not hold. sent6: the fact that not the muffing endgame but the humaneness happens is not true. sent7: if the fact that the sales does not occur is correct then both the insentientness and the muffing disingenuousness occurs. sent8: the demotion does not occur if the muffing disingenuousness does not occur and the sales occurs. sent9: that not the priorship but the impetiginousness occurs is incorrect. sent10: that not the forbearance but the muffing banquet happens does not hold. sent11: if the mastoidectomy does not occur but the sounding physiotherapy happens then the sales does not occur. sent12: if the insentientness occurs that the concealment does not occur and the muffing adorability happens is wrong. ; $proof$ = 
sent4 -> hypothesis; __PROVED__