n=int(input())
p=[0]*n
for i in range(n):
  k,*c,=list(map(int,input().split()))
  for j in range(k):
    p[i]|=1<<(c[j]-1)
M=998244353
l=12
a=0
for i in range(1<<l):
  c=0
  for v in p:
    c+=v&i==i
  a+=(pow(2,c,M)-1)*((-1)**(i.bit_count()%2))
  a%=M
print(a)