def es_anagrama(a, b):
    return sorted(a) == sorted(b)

def paraulogic(a, c, s):
    return (len(a) > 2) and (c in a) and (set(a).issubset(s.union({c})))

def tuti(a, c, s):
    return (len(a) > 2) and (set(a) == s.union({c}))