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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def NewFromJSON(data):
 """ Create a new Comment instance from a JSON dict. Args: data (dict):
 JSON dictionary representing a Comment. Returns: A Comment instance. """

        return Comment(
            body=data.get('body', None),
            posted_at=data.get('posted_at', None),
            user=User.NewFromJSON(data.get('user', None))
        )