code: def lexical_meaning(word):
      meanings = {
          "blond": BlondMeaning,
          "nice": NiceMeaning,
          "Bob": BobMeaning,
          "some": SomeMeaning,
          "none": NoneMeaning,
          "all": AllMeaning,
      }
      if word in meanings:
          return meanings[word]()
      else:
          return UndefinedMeaning()
  
imports: import argparse
  import collections
  import torch
  from search_inference import BestFirstSearch, HashingMarginal, memoize
  import pyro
  import pyro.distributions
label_desc: Use image node_id 6 for calling a global function with example usage: lexical_meaning(word) and returns: meanings, UndefinedMeaning