from collections import defaultdict
MOD = 998244353
N,K = list(map(int,input().split()))
people = []
for _ in range(K):
    l,s,*B = list(map(lambda x:int(x)-1,input().split()))
    people.append((s+1,B))

ans = 0
for i in range(30):
    use = set()
    for j in range(K):
        if(people[j][0]>>i & 1 == 0):continue
        use |= set(people[j][1])
    
    ans += pow(2,i-1,MOD) * len(use) % MOD
    ans %= MOD
print(ans)