Extract keywords from 500N-KPCrowd-v1.1 dataset

Document: politics_world-20940442

  • japan official
  • highly radioactive water
  • nuclear plant
  • crippled
  • leaking
  • ocean ap tokyo ap
  • leaking from
  • radioactive water
  • highly radioactive
  • crippled nuclear
  • crippled nuclear plant
  • japan
  • ocean
  • plant
  • official
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