(S (S (NP (NP (BASENP (NNP Statoil) (NNP ASA)) (PRN (LRB -LRB-) (BASENP (NNP Statoil)) (RRB -RRB-))) (PRN (COMMA ,) (BASENP (DT a) (JJ Norwegian) (JJ state-owned) (NN oil) (NN company)) (COMMA ,))) (VP (VP (VP (VBD entered) (PP (IN into) (BASENP (DT an) (NN agreement)))) (BASENP (NNP Friday))) (S (VP (TO to) (VP (VB purchase) (NP (BASENP (DT all) (JJ outstanding) (JJ common) (NNS shares)) (PP (IN of) (NP (BASENP (DT the) (ADJP (RB privately) (VBN held)) (JJ Canadian) (NN firm)) (COMMA ,) (NP (BASENP (NNP North) (NNP American) (NNP Oil) (NNPS Sands) (NNP Corporation)) (PRN (LRB -LRB-) (BASENP (NNP NAOSC)) (RRB -RRB-))))))))))) (PERIOD .))