rtokens: Police and local officials have sealed off the crash site , protecting it from intrusive reporters and from the polar bears that roam freely across the icy expanses .
pos: VB IN PDT DT JJ RB , IN JJ , VBD NNS IN DT NN , " NNP , CD , VBD NNP .
tokens: Think of all that mixed together , with twisted , wrecked parts on the slope , " Onarheim , 29 , told Reuters .
ltokens: " Imagine a big plane with a lot of luggage and people on board .