there is something such that if it is not unaware then that it does designate and/or it is not planetal is incorrect.
sent1: the Alexander is planetal if it is not unaware. sent2: if something is not unaware then that it is planetal is right. sent3: if the Alexander is not unaware it either designates or is not planetal or both. sent4: the fact that the Alexander designates or it is not planetal or both does not hold if it is unaware. sent5: there is something such that if it is aware then it is planetal.
$hypothesis$ = there is something such that if it is not unaware then that it does designate and/or it is not planetal is incorrect. ; $context$ = sent1: the Alexander is planetal if it is not unaware. sent2: if something is not unaware then that it is planetal is right. sent3: if the Alexander is not unaware it either designates or is not planetal or both. sent4: the fact that the Alexander designates or it is not planetal or both does not hold if it is unaware. sent5: there is something such that if it is aware then it is planetal. ; $proof$ = 
__UNKNOWN__