n=int(input())
N=2**n
d=[0]*n
d[-1]=1
m=998244353
for i in range(n):
    b=0
    k,*c=map(int,input().split())
    for x in c:
        b+=1<<(c-1)
    for i in range(N-1,-1,-1):
        d[i&b]+=d[i]
        d[i&b]%=m
print(d[0])