MOD = 998244353

n, m = map(int, input().split())
X = [(1 << n) - 1]
for _ in range(m):
    l, *A = map(int, input().split())
    x = 0
    for a in A:
        x |= 1 << a - 1
    X.append(x)

base = []
while X:
    x = X.pop()
    for b in base:
        x = min(x, x ^ b)
    if x != 0:
        for b in base:
            if x & b != 0:
                X.append(x | b)
        base.append(x)
print(pow(2, len(base), MOD))