#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int k,n,a[10001]={},p,m=0; cin>>k; for(int i=1;i<=k;i++){ cin>>n; for(int t=1;t<=n;t++){ cin>>p; a[p]++; } for(int t=1;t<=n;t++){ if(a[t]>m){ m=a[t]; } } if(n%2==0){ if(m<=n/2){ cout<<'Y'<<endl; } else{ cout<<'N'<<endl; } } else{ if(m<=n/2+1){ cout<<'Y'<<endl; } else{ cout<<'N'<<endl; } } m=0; memset(a,0,sizeof(a)); } return 0; }