#include <bits/stdc++.h>
#define pb push_back
#define f first
#define s second
#define ll long long
#define N 100001
#define INF 1000000000
//#define N 100000
using namespace std;
 
const ll LIM = 2e16;
 
int main() {
	int T;
	cin>>T;
	while(T--){
		int n;
		cin>>n;
		vector<int> a(n+1);
		for(int i=0;i<n;i++)cin>>a[i];
		bool cnt1 = false;int cnt2 = 0;
		for(int i=0;i<n;i++){
			if (a[i]%2==0) cnt1 = true;else cnt2++;
		}
		if (cnt2==n&&cnt2%2==1) puts("YES"); else if (cnt2&&cnt1>0) puts("YES"); else puts("NO");
	}
	return 0;
}

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NQoyCjIgMwo0CjIgMiA4IDgKMwozIDMgMwo0CjUgNSA1IDUKNAoxIDEgMSAxCg==

5
2
2 3
4
2 2 8 8
3
3 3 3
4
5 5 5 5
4
1 1 1 1