#include <bits/stdc++.h>
using namespace std;
int main() {
  std::ios::sync_with_stdio(false);
  int times;
  cin >> times;
  while (times) {
    int n;
    cin >> n;
    int count = 0;
    bool o = false;
    for (int i = 0; i < n; i++) {
      int a;
      cin >> a;
      if (a % 2 == 0)
        o = true;
      else
        count++;
    }
    if (n % 2 == 1 && count > 0 || n % 2 == 0 && count > 0 && o)
      cout << "Yes" << endl;
    else
      cout << "No" << endl;
    times--;
  }
  return 0;
}
