#include<bits/stdc++.h>
using namespace std;
int a[10010],b[11];
int main() {
	int n,x,m,y,s=0;
	cin>>n;
	for(int i=1; i<=n; i++) {
		cin>>b[i];
		for(int j=1; j<=b[i]; j++) {
			cin>>a[j];
			if(a[j]!=0) {
				s+=1;
			}
		}
		if(s%2==0) {
			cout<<"No"<<endl;
		}else{
			cout<<"Yes"<<endl;
		}
	}
	return 0;
}