text: #!/usr/bin/python
  
  
  import sys
  
  file = sys.argv[1]
  
  separator = '_'
  
  with open(file) as f:
      for line in f:
          tokens = line.split()
          if len(tokens) == 0:
              print ""
          else:
              word = tokens[1]
              tag = tokens[3]
              print "%s%s%s"%(word, separator, tag),
              
  