n, m = map(int, input().split())
X = []
Y = []
for _ in range(m):
    a = int(input())
    B = list(map(int, input().split()))
    y = int(input())
    bits = 0
    for b in B:
        bits |= 1 << (b - 1)
    X.append(bits)
    Y.append(y)

ans = [0] * n
for i in range(30):
    base = []
    oz = []
    for x, y in zip(X, Y):
        z = (y >> i) & 1
        for b, o in zip(base, oz):
            if x ^ b < x:
                x ^= b
                z ^= o

        if x == 0:
            if z:
                print(-1)
                exit()
        else:
            base.append(x)
            oz.append(z)
            for j in range(len(base) - 1, 0, -1):
                if base[j] > base[j - 1]:
                    base[j], base[j - 1] = base[j - 1], base[j]
                    oz[j], oz[j - 1] = oz[j - 1], oz[j]

    for b, o in zip(base[::-1], oz[::-1]):
        inds = []
        for j in range(n):
            if b >> j & 1:
                inds.append(j)

        for j in inds[:-1]:
            o ^= ans[j] >> i & 1
        if o:
            ans[inds[-1]] |= 1 << i

print(*ans, sep="\n")