@staticmethod
def is_subset(cliques, clique):
    """
        Checks if the specified clique is a subset of the specified list of cliques.

        :param cliques: List of cliques.
        :param clique: Clique.
        :return: A boolean indicating if the clique is a subset.
        """
    for i in range(len(cliques)):
        if cliques[i].is_superset(clique):
            return True
    return False
