code: def syntax_match(s, t):
      if "dir" in s and "dir" in t:
          return (
              (s["dir"] and t["dir"])
              and syntax_match(s["int"], t["int"])
              and syntax_match(s["out"], t["out"])
          )
      else:
          return s == t
  
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 8 for calling a global function with example usage: syntax_match(s, t) and returns: unknown, unknown