public boolean sendAllAccept(
      int ins_num, int income_seq, String content, ArrayList<KeyValueServerInterface> list)
      throws RemoteException {

    int count = 0;

    for (KeyValueServerInterface server : list) {

      if (server.accept(ins_num, income_seq, content) != -1) count++;
    }

    if (count > (list.size() / 2)) return true;

    return false;
  }