rtokens: 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 .
pos: PRP MD VB PRP IN DT NN IN PRP$ NN , " VBD NNP NNP .
tokens: I will remember it for the rest of my life , " said Stig Onarheim .
ltokens: " It 's a sight I will never forget .