2
3
4 1 1
5
5 4 3 2 1

No
Yes

#include <iostream>
#include <stdio.h>
#include <cmath>
using namespace std;
int main(){
    long long n;
    cin>>n;
    long long m;
    while(n--){
        cin>>m;
        int t,max=-1;
        long long sum=0;
        while(m--){
            cin>>t;
            if(t>max)max=t;
            sum+=t;
        }
        sum-=max;
        if(max<=1+sum)cout<<"Yes\n";
        else cout<<"No\n";
    }
    return 0;
}