class_docstr: A single training/test features for a example.
class_docstr_tok: ["A","single","training\/test","features","for","a","example","."]
code: def __init__(self, example_id, source_ids, label, url1, url2):
      self.example_id = example_id
      self.source_ids = source_ids
      self.label = label
      self.url1 = url1
      self.url2 = url2
  
imports: import json
label_desc: Use image node_id 1 to create a new CloneInputFeatures object from inherited base classes: object with example: obj = CloneInputFeatures(example_id, source_ids, label, url1, url2)