class_docstr: Teacher for small dataset, invoked by ``taskntalk:small``.
code: def __init__(self, opt, shared=None):
      opt["datafile"] = _path(opt, "small")
      super().__init__(opt, shared)
  
imports: from parlai.core.teachers import Teacher
  from parlai.utils.io import PathManager
  from .build import build
  import json
  import os
  import random
label_desc: Use image node_id 1 to create a new SmallTeacher object from inherited base classes: AbstractTaskNTalk with example: obj = SmallTeacher(opt, shared)