def get_basis(A):
    P = []
    basis = []
    for i in range(n):
        v = A[i]
        for b,j in basis:
            if v > v^b:
                v ^= b
                P.append((i,j))
        if v:
            basis.append((v,i))
    return basis, P

def solve_linear_equation_F2(A,Y):
    basis, P = get_basis(A)
    X = [0]*n
    for b,i in basis:
        top = b.bit_length()-1
        if Y[top] == 0: continue
        X[i] = Y[top]
        for j in range(m):
            if b&1:
                Y[j] ^= Y[top]
            b >>= 1
    if any(yi for yi in Y): return [-1]
    for i,j in P[::-1]:
        X[j] ^= X[i]
    return X

n,m = map(int,input().split())
A = [0]*n
Y = [0]*m
for i in range(m):
    _ = int(input())
    *a, = map(int,input().split())
    for ai in a:
        A[ai-1] |= 1<<i
    Y[i] = int(input())

x = solve_linear_equation_F2(A,Y)
print(*x)