class_docstr: Main Class to compute the CIDEr metric
class_docstr_tok: ["Main","Class","to","compute","the","CIDEr","metric"]
code: def method(self):
      return "CIDEr"
  
imports: from .cider_scorer import CiderScorer
label_desc: Use image node_id 3 for calling the Cider obj's underlying member method code with example usage: obj.method() and returns: str