import sys
readline=sys.stdin.readline

N,M=map(int,readline().split())
B,Y=[],[]
for m in range(M):
    readline()
    B.append(sum(1<<b-1 for b in map(int,readline().split())))
    Y.append(int(readline()))
ans_lst=[0]*N
xor_basis=[]
tria=[]
tria_Y=[]
for b,y in zip(B,Y):
    for xb,xby in zip(tria,tria_Y):
        if b>b^xb:
            b=b^xb
            y^=xby
    if b:
        for j in range(len(tria)):
            if tria[j]^b<tria[j]:
                tria[j]^=b
                tria_Y[j]^=y
        tria.append(b)
        tria_Y.append(y)
    elif y:
        print(-1)
        exit()
    for b,y in zip(tria,tria_Y):
        ans_lst[b.bit_length()-1]=y
print(*ans_lst,sep="\n")