the unbuttoning Donbass happens.
sent1: the checkering and the stocking happens if the extraction does not occur. sent2: the zymoidness does not occur. sent3: that the perturbation does not occur but the germiness happens does not hold. sent4: the associativeness does not occur if the tusking huskiness does not occur and the unbuttoning Donbass does not occur. sent5: the nonmechanicalness occurs. sent6: if the perturbation occurs the fact that the tusking huskiness does not occur is right. sent7: the tusking CIO happens. sent8: if the IRA occurs the unretentiveness does not occur. sent9: the tusking kernicterus happens and the unretentiveness occurs if the IRA does not occur. sent10: the associativeness does not occur but the autotypicness occurs if the unretentiveness happens. sent11: if the associativeness does not occur then the autotypicness happens. sent12: the IRA happens and the checkering happens. sent13: the fractionalness occurs. sent14: if the featherbedding does not occur and the compatibleness does not occur the genuflection does not occur. sent15: the unbuttoning Donbass does not occur if the tusking huskiness occurs. sent16: the repeatableness does not occur and the shafting does not occur. sent17: the fact that both the perturbation and the germiness happens is incorrect. sent18: the checkering happens. sent19: the unbuttoning hobbyism does not occur and/or the Scrabble does not occur. sent20: that the autotypicness does not occur is caused by that the unretentiveness does not occur but the tusking kernicterus happens. sent21: that the tusking kernicterus happens and the nonmechanicalness happens is true. sent22: the difficulty is prevented by that the unbuttoning Donbass does not occur or the tusking huskiness does not occur or both.
void -> assump1: Let's assume that the unbuttoning Donbass does not occur.; sent12 -> int1: the IRA occurs.; sent8 & int1 -> int2: the unretentiveness does not occur.; sent21 -> int3: the tusking kernicterus occurs.; int2 & int3 -> int4: the retentiveness and the tusking kernicterus happens.; sent20 & int4 -> int5: the autotypicness does not occur.;
the unbuttoning Donbass does not occur.
$hypothesis$ = the unbuttoning Donbass happens. ; $context$ = sent1: the checkering and the stocking happens if the extraction does not occur. sent2: the zymoidness does not occur. sent3: that the perturbation does not occur but the germiness happens does not hold. sent4: the associativeness does not occur if the tusking huskiness does not occur and the unbuttoning Donbass does not occur. sent5: the nonmechanicalness occurs. sent6: if the perturbation occurs the fact that the tusking huskiness does not occur is right. sent7: the tusking CIO happens. sent8: if the IRA occurs the unretentiveness does not occur. sent9: the tusking kernicterus happens and the unretentiveness occurs if the IRA does not occur. sent10: the associativeness does not occur but the autotypicness occurs if the unretentiveness happens. sent11: if the associativeness does not occur then the autotypicness happens. sent12: the IRA happens and the checkering happens. sent13: the fractionalness occurs. sent14: if the featherbedding does not occur and the compatibleness does not occur the genuflection does not occur. sent15: the unbuttoning Donbass does not occur if the tusking huskiness occurs. sent16: the repeatableness does not occur and the shafting does not occur. sent17: the fact that both the perturbation and the germiness happens is incorrect. sent18: the checkering happens. sent19: the unbuttoning hobbyism does not occur and/or the Scrabble does not occur. sent20: that the autotypicness does not occur is caused by that the unretentiveness does not occur but the tusking kernicterus happens. sent21: that the tusking kernicterus happens and the nonmechanicalness happens is true. sent22: the difficulty is prevented by that the unbuttoning Donbass does not occur or the tusking huskiness does not occur or both. ; $proof$ = 
void -> assump1: Let's assume that the unbuttoning Donbass does not occur.; sent12 -> int1: the IRA occurs.; sent8 & int1 -> int2: the unretentiveness does not occur.; sent21 -> int3: the tusking kernicterus occurs.; int2 & int3 -> int4: the retentiveness and the tusking kernicterus happens.; sent20 & int4 -> int5: the autotypicness does not occur.; __UNKNOWN__