def sentence_position(i, size):
 normalized = ((i * 1.0) / size)
 if (normalized > 1.0):
  return 0
 elif (normalized > 0.9):
  return 0.15
 elif (normalized > 0.8):
  return 0.04
 elif (normalized > 0.7):
  return 0.04
 elif (normalized > 0.6):
  return 0.06
 elif (normalized > 0.5):
  return 0.04
 elif (normalized > 0.4):
  return 0.05
 elif (normalized > 0.3):
  return 0.08
 elif (normalized > 0.2):
  return 0.14
 elif (normalized > 0.1):
  return 0.23
 elif (normalized > 0):
  return 0.17
 else:
  return 0

def sentence_position ( i , size ) : normalized = ( ( i * 1.0 ) / size ) if ( normalized > 1.0 ) : return 0 elif ( normalized > 0.9 ) : return 0.15 elif ( normalized > 0.8 ) : return 0.04 elif ( normalized > 0.7 ) : return 0.04 elif ( normalized > 0.6 ) : return 0.06 elif ( normalized > 0.5 ) : return 0.04 elif ( normalized > 0.4 ) : return 0.05 elif ( normalized > 0.3 ) : return 0.08 elif ( normalized > 0.2 ) : return 0.14 elif ( normalized > 0.1 ) : return 0.23 elif ( normalized > 0 ) : return 0.17 else : return 0
different sentence positions indicate different probability of being an important sentence .