(S (S (BASENP (JJ Icelandic) (NNS companies)) (VP (VBP have) (VP (VBN been) (VP (VP (VP (VBG investing) (ADVP (RB heavily))) (PP (IN in) (BASENP (NNP Denmark)))) (PP (IN for) (BASENP (DT the) (JJ last) (JJ few) (NNS years))))))) (PERIOD .))