the Congress is not catechistic.
sent1: that the trackball is tracheal but it is not a custom-made is not correct. sent2: the fact that the trackball is not erythropoietic hold. sent3: the fact that the trackball is both tracheal and not non-custom-made is wrong. sent4: something is not catechistic if it is not erythropoietic. sent5: there is something such that the fact that it is tracheal and it is a kind of a custom-made is incorrect. sent6: something is a kind of erythropoietic thing that does torture if it does not vacate taxonomy. sent7: the Congress is not erythropoietic if there exists something such that the fact that it is tracheal and is not custom-made does not hold.
sent1 -> int1: there is something such that the fact that it is both tracheal and not a custom-made does not hold.; int1 & sent7 -> int2: the Congress is non-erythropoietic.; sent4 -> int3: if the Congress is not erythropoietic then the fact that it is not catechistic is not wrong.; int2 & int3 -> hypothesis;
the Congress is catechistic.
sent6 -> int4: if the orthomyxovirus does not vacate taxonomy it is erythropoietic and it is a torture.;
$hypothesis$ = the Congress is not catechistic. ; $context$ = sent1: that the trackball is tracheal but it is not a custom-made is not correct. sent2: the fact that the trackball is not erythropoietic hold. sent3: the fact that the trackball is both tracheal and not non-custom-made is wrong. sent4: something is not catechistic if it is not erythropoietic. sent5: there is something such that the fact that it is tracheal and it is a kind of a custom-made is incorrect. sent6: something is a kind of erythropoietic thing that does torture if it does not vacate taxonomy. sent7: the Congress is not erythropoietic if there exists something such that the fact that it is tracheal and is not custom-made does not hold. ; $proof$ = 
sent1 -> int1: there is something such that the fact that it is both tracheal and not a custom-made does not hold.; int1 & sent7 -> int2: the Congress is non-erythropoietic.; sent4 -> int3: if the Congress is not erythropoietic then the fact that it is not catechistic is not wrong.; int2 & int3 -> hypothesis; __PROVED__