The sale was made to pay Yukos' US$ 27.5 billion tax bill, Yuganskneftegaz was originally sold for US$9.4 billion to a little known company Baikalfinansgroup which was later bought by the Russian state-owned oil company Rosneft.
The sale was made to pay Yuganskneftegaz's US$ 27.5 billion tax bill
The sale was made to pay Yukos' tax bill, not Yuganskneftegaz's. The system could not 
( z1 sell :purpose ( z2 pay :ARG0 ( z3 company :name ( z4 name :op "Yuganskneftegaz" ) ) :ARG3 ( z5 monetary-quantity :quant 27500000000 :unit ( z6 dollar :mod ( z7 country :name ( z8 name :op "US" ) ) ) :ARG1-of ( z9 tax ) ) ) )