import sys
sys.setrecursionlimit(5*10**5)
input = sys.stdin.readline
import pypyjit
pypyjit.set_param('max_unroll_recursion=-1')
from collections import defaultdict, deque, Counter
from heapq import heappop, heappush
from bisect import bisect_left, bisect_right
from math import gcd
mod = 998244353
n,m = map(int,input().split())
A = [0]*m
Ac = [0]*m
B = [(2**n - 1)]*n
for i in range(m):
  l, *a = map(int,input().split())
  for j in range(l):
    A[i] |= 1 << (a[j] - 1)
  Ac[i] = ~A[i]
  for j in range(n):
    if (A[i] >> j) & 1:
      B[j] &= A[i]
    else:
      B[j] &= Ac[i]

s = set()
for i in range(n):
  s.add(B[i])

print(pow(2, len(s), mod))