code: def sem(self, world):
      raise NotImplementedError
  
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 1 for calling the Meaning obj's underlying member method code with example usage: obj.sem(world) without return types