the fish-fly is Beethovenian and/or unseamanlike.
sent1: if there exists something such that it is a valediction the fish-fly is both not a Murmansk and not an excelsior. sent2: that the decentralization is Iranian hold. sent3: something is Beethovenian if it is not a kind of a Murmansk and it is not an excelsior. sent4: if the decentralization is a Iranian then the peludo is a kind of a valediction.
sent4 & sent2 -> int1: the peludo is a valediction.; int1 -> int2: something is a valediction.; int2 & sent1 -> int3: the fish-fly is not a Murmansk and is not an excelsior.; sent3 -> int4: if the fish-fly is not a kind of a Murmansk and it is not a kind of an excelsior it is Beethovenian.; int3 & int4 -> int5: the fact that the fish-fly is Beethovenian hold.; int5 -> hypothesis;
$hypothesis$ = the fish-fly is Beethovenian and/or unseamanlike. ; $context$ = sent1: if there exists something such that it is a valediction the fish-fly is both not a Murmansk and not an excelsior. sent2: that the decentralization is Iranian hold. sent3: something is Beethovenian if it is not a kind of a Murmansk and it is not an excelsior. sent4: if the decentralization is a Iranian then the peludo is a kind of a valediction. ; $proof$ = 
sent4 & sent2 -> int1: the peludo is a valediction.; int1 -> int2: something is a valediction.; int2 & sent1 -> int3: the fish-fly is not a Murmansk and is not an excelsior.; sent3 -> int4: if the fish-fly is not a kind of a Murmansk and it is not a kind of an excelsior it is Beethovenian.; int3 & int4 -> int5: the fact that the fish-fly is Beethovenian hold.; int5 -> hypothesis; __PROVED__