#include<bits/stdc++.h>
using namespace std;
#define int long long
int t;
int a[200009],r[200009];
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        for(int i = 1;i<=n;++i){
            cin>>a[i];
        }
        r[n] = 1e18;
        for(int i = n-1;i>=1;--i){
            r[i] = (a[i] == a[i+1]?r[i+1]:i+1);
        }
        int q;
        cin>>q;
        while(q--){
            int l,rr;
            cin>>l>>rr;
            if(r[l]<=rr) cout<<"YES\n";
            else cout<<"NO\n";
        }
    }
}