the fact that there exists something such that if the fact that it is not a lead-in and it does sag about-face is not right then it twirls does not hold.
sent1: the ytterbium dictates sepal if that it seeps ytterbium and it is a kind of a lead-in does not hold. sent2: if the toehold is not a lead-in and sags about-face then it twirls. sent3: if that something is not a kind of a lead-in and sags about-face does not hold it does twirl. sent4: there exists something such that if it does not sag about-face then it twirls. sent5: if the fact that the toehold does not sag about-face hold it twirls.
sent3 -> int1: the fact that the toehold twirls if that the toehold is not a lead-in and sags about-face does not hold is true.; int1 -> hypothesis;
$hypothesis$ = the fact that there exists something such that if the fact that it is not a lead-in and it does sag about-face is not right then it twirls does not hold. ; $context$ = sent1: the ytterbium dictates sepal if that it seeps ytterbium and it is a kind of a lead-in does not hold. sent2: if the toehold is not a lead-in and sags about-face then it twirls. sent3: if that something is not a kind of a lead-in and sags about-face does not hold it does twirl. sent4: there exists something such that if it does not sag about-face then it twirls. sent5: if the fact that the toehold does not sag about-face hold it twirls. ; $proof$ = 
sent3 -> int1: the fact that the toehold twirls if that the toehold is not a lead-in and sags about-face does not hold is true.; int1 -> hypothesis; __DISPROVED__