code: def positive(s, threshold=0.1, **kwargs):
      """Returns True if the given sentence has a positive sentiment (polarity >= threshold)."""
      return polarity(unicode(s), **kwargs) >= threshold
  
imports: from __future__ import absolute_import
  import os
  from textblob._text import Parser, Sentiment, Lexicon, WORD, POS, CHUNK, PNP, PENN, UNIVERSAL, Spelling
  from textblob.compat import text_type, unicode
label_desc: Use image node_id 10 for calling a global function with example usage: positive(s, threshold) and returns: unknown