docstr: Object represent a set of mentions with same coref chain id
  
  Args:
      coref_chain (int): the cluster id/coref_chain value
docstr_tok: ["Object","represent","a","set","of","mentions","with","same","coref","chain","id","Args",":","coref_chain","(","int",")",":","the","cluster","id\/coref_chain","value"]
code: def __init__(self, coref_chain: int = -1) -> None:
      """
      Object represent a set of mentions with same coref chain id
  
      Args:
          coref_chain (int): the cluster id/coref_chain value
      """
      self.mentions = []
      self.cluster_strings = []
      self.merged = False
      self.coref_chain = coref_chain
      self.mentions_corefs = set()
  
file_path: nlp-architect/nlp_architect/common/cdc/cluster.py
imports: from typing import List
  from nlp_architect.common.cdc.mention_data import MentionData
label_desc: Use image node_id 1 to create a new Cluster object from inherited base classes: object with example: obj = Cluster(coref_chain)