#include <stdio.h>

int main() {
    freopen("xerox.in", "r", stdin);
    freopen("xerox.out", "w", stdout);
    int T;
    scanf("%d", &T);
    for(int test = 1; test <= T ; ++ test) {
        int sum = 0, M, a, b;
        int nr;
        scanf("%d", &M);
        scanf("%d %d", &a, &b);
        while(M --) {
            scanf("%d", &nr);
            sum ^= nr;
            while(nr -- )
                scanf("%d %d", &a, &b);
        }
        if(sum != 1)
        printf("%d\n", 1);
        else printf("%d\n", 0);
    }
    return 0;
}