#include <bits/stdc++.h>
using namespace std;
void solve() {
int n;
cin >> n;
unordered_set<int> a(n), b(n);
for (int i = 0; i < n; i++) {
int x;
cin >> x;
if (a.find(x) == a.end()) a.insert(x);
}
for (int i = 0; i < n; i++) {
int x;
cin >> x;
if (b.find(x) == b.end()) b.insert(x);
}
if (a.size() + b.size() >= 4) cout << "YES" << endl;
else cout << "NO" << endl;
}
int main() {
int t;
cin >> t;
while (t--) solve();
}
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