code: def _generate_string(sep, integer_scale):
      predicate = random.choice(_GENERATOR_PREDICATES).lower()
      noun = random.choice(_GENERATOR_NOUNS).lower()
      num = random.randint(0, 10**integer_scale)
      return f"{predicate}{sep}{noun}{sep}{num}"
  
imports: import random
  import uuid
label_desc: Use image node_id 2 for calling a global function with example usage: _generate_string(sep, integer_scale) and returns: predicate, sep, noun, sep, num