rtokens: " Imagine a big plane with a lot of luggage and people on board .
pos: DT NN VBD IN DT JJ NN IN DT NNP NN IN NNP IN NNP , RB JJ IN NNP .
tokens: The plane smashed into a snow-capped mountain on the Arctic island of Spitzbergen on Thursday , just east of Longyear .
ltokens: He was one of a handful of rescuers who raced to the scene of the crash in a helicopter on Thursday , hoping in vain to find survivors .