n, m = map(int, input().split())
base = [(1 << n) - 1]
for _ in range(m):
    l, *A = map(int, input().split())
    bit = 0
    for a in A:
        bit |= 1 << a
    for b in base:
        if b ^ bit < bit:
            bit ^= b
    if bit != 0:
        base.append(bit)

print(pow(2, len(base), 998244353))