the foster-child does elaborate malachite and/or is a multistage.
sent1: the alga is not a kind of a Russian if the thiobacillus is not a kind of a cockateel but it is Russian. sent2: that the alga either encloses Gerrhonotus or is not addictive or both does not hold. sent3: the foster-child does not enclose Gerrhonotus. sent4: if the alga is a Russian the foster-child elaborates malachite. sent5: if that the alga encloses Gerrhonotus and/or it is not addictive does not hold then it is Russian.
sent5 & sent2 -> int1: the alga is Russian.; sent4 & int1 -> int2: the foster-child does elaborate malachite.; int2 -> hypothesis;
the fact that the fact that the fact that the foster-child does elaborate malachite and/or is a multistage is not false is incorrect is not false.
$hypothesis$ = the foster-child does elaborate malachite and/or is a multistage. ; $context$ = sent1: the alga is not a kind of a Russian if the thiobacillus is not a kind of a cockateel but it is Russian. sent2: that the alga either encloses Gerrhonotus or is not addictive or both does not hold. sent3: the foster-child does not enclose Gerrhonotus. sent4: if the alga is a Russian the foster-child elaborates malachite. sent5: if that the alga encloses Gerrhonotus and/or it is not addictive does not hold then it is Russian. ; $proof$ = 
sent5 & sent2 -> int1: the alga is Russian.; sent4 & int1 -> int2: the foster-child does elaborate malachite.; int2 -> hypothesis; __PROVED__