code: def utterance_prior():
      utterances = ["generic is true", "mu"]
      ix = pyro.sample(
          "utterance",
          dist.Categorical(logits=torch.zeros(len(utterances))),
      )
      return utterances[ix]
  
file_path: pyro/examples/rsa/generics.py
imports: import argparse
  import collections
  import numbers
  import torch
  from search_inference import HashingMarginal, Search, memoize
  import pyro
  import pyro.distributions
  import pyro.poutine
label_desc: Use image node_id 5 for calling a global function with example usage: utterance_prior() and returns: utterances