# include<stdio.h> # include<iostream> using namespace std; int main(){ int i,n,m,k,j,max=0; cin>>n; for(i=0;i<n;i++){ max=0; int a[10000]={0}; cin>>m; for(j=0;j<m;j++){ a[10000]={0}; cin>>k; a[k]++; } for(j=0;j<10000;j++){ if(a[j]>0){ if(max<a[j]) max=a[j]; } } if(m%2==0){ if(max<=m/2) cout<<'Y'<<endl; else cout<<'N'<<endl; } else if(m%2!=0){ if(max<=(m/2+1)) cout<<'Y'<<endl; else cout<<'N'<<endl; } max=0; }return 0; }