the e is a kind of a Engraulidae and it is a harpsichord.
sent1: the e is not a rerebrace if it does not slice Sempatch and is not a kind of a zooplankton. sent2: something is both a Engraulidae and a harpsichord if it is not a kind of a rerebrace. sent3: the e is not a zooplankton. sent4: there is something such that it is not unalert. sent5: the e does not slice Sempatch if there exists something such that it is not unalert.
sent4 & sent5 -> int1: the e does not slice Sempatch.; int1 & sent3 -> int2: the e does not slice Sempatch and is not a zooplankton.; int2 & sent1 -> int3: the e is not a rerebrace.; sent2 -> int4: the e is a Engraulidae that is a kind of a harpsichord if it is not a kind of a rerebrace.; int3 & int4 -> hypothesis;
$hypothesis$ = the e is a kind of a Engraulidae and it is a harpsichord. ; $context$ = sent1: the e is not a rerebrace if it does not slice Sempatch and is not a kind of a zooplankton. sent2: something is both a Engraulidae and a harpsichord if it is not a kind of a rerebrace. sent3: the e is not a zooplankton. sent4: there is something such that it is not unalert. sent5: the e does not slice Sempatch if there exists something such that it is not unalert. ; $proof$ = 
sent4 & sent5 -> int1: the e does not slice Sempatch.; int1 & sent3 -> int2: the e does not slice Sempatch and is not a zooplankton.; int2 & sent1 -> int3: the e is not a rerebrace.; sent2 -> int4: the e is a Engraulidae that is a kind of a harpsichord if it is not a kind of a rerebrace.; int3 & int4 -> hypothesis; __PROVED__