#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 x,a[10000]={0},c=0,k,ai,n,m,num=0; cin>>k; for(int j=1;j<=k;j++){ for(int i=1;i<=10000;i++) a[i]=0; cin>>n; for(int i=1;i<=n;i++){ cin>>x; a[x]++; } num=0; for(int i=1;i<=10000;i++){ if(a[i]>num&&a[i]>0) num=a[i]; } if(m%2==0){ if(num<=n/2) cout<<"Y"<<endl; else cout<<"N"<<endl; } else if(n%2!=0){ if(num<=n/2+1) cout<<"Y"<<endl; else cout<<"N"<<endl; } } return 0; }