#include <stdio.h>
#include <stdlib.h>

typedef struct arr {
  int n;
  int *a;
} arr;

int cmp_arr (const void *ap, const void *bp) {
  arr a = *(arr *)ap;
  arr b = *(arr *)bp;
  int idx = 0;
  
  while (idx < a.n && idx < b.n) {
    if (a.a[idx] < b.a[idx]) {
      return -1;
    }
    if (a.a[idx] > b.a[idx]) {
      return 1;
    }
    return 0;
  }
  
  if (a.n < b.n) {
    return -1;
  }
  
  if (a.n > b.n) {
    return 1;
  }
  
  return 0;
}

long long power_mod (long long a, long  long b, long long mod_num) {
  long long ans = 1LL;
  
  if (b > 0LL) {
    ans = power_mod(a, b/2LL, mod_num);
    ans = (ans * ans) % mod_num;
    if (b%2LL == 1LL) {
      ans = (ans *a) % mod_num;
    }
  }
  
  return ans;
}

int main () {
  int n = 0;
  int m = 0;
  int l = 0;
  int a = 0;
  
  int res = 0;
  
  int ans = 0;
  long long mod_num = 998244353LL;
  
  arr inc[1000] = {};
  
  int work[1000000] = {};
  
  res = scanf("%d", &n);
  res = scanf("%d", &m);
  
  for (int i = 0; i < n; i++) {
    inc[i].n = n;
    inc[i].a = work+(m*i);
  }
  
  for (int i = 0; i < m; i++) {
    res = scanf("%d", &l);
    for (int j = 0; j < l; j++) {
      res = scanf("%d", &a);
      a--;
      inc[a].a[i] = 1;
    }
  }
  
  qsort(inc, n, sizeof(arr), cmp_arr);
  
  ans = n;
  for (int i = 1; i < n; i++) {
    int is_ok = 1;
    for (int j = 0; j < m; j++) {
      if (inc[i-1].a[j] != inc[i].a[j]) {
        is_ok = 0;
      }
    }
    if (is_ok > 0) {
      ans--;
    }
  }
  
  printf("%lld\n", power_mod(2LL, (long long)ans, mod_num));
  return 0;
}