#Comparative Containment





# Example usage:




if __name__ == '__main__':
    def is_comparative_containment(subsets):
        n = len(subsets)
        for i in range(n):
            for j in range(n):
                if i != j:
                    if not is_subset(subsets[i], subsets[j]):
                        return False
        return True
    def is_subset(set1, set2):
        return set1.issubset(set2)
    subsets = [
        {1, 2},
        {1, 2, 3},
        {2, 3}
    ]
    result = is_comparative_containment(subsets)
    if result:
        print("Comparative containment exists")
    else:
        print("Comparative containment does not exist")
