/* package codechef; // don’t place package name! */
import java.util.;
import java.lang.;
import java.io.*;
/* Name of the class has to be “Main” only if the class is public. */
public class Main
{
public static void main (String[] args) throws java.lang.Exception
{
try {
Scanner sc= new Scanner(System.in);
int t = sc.nextInt();
while(t-->0){
int n = sc.nextInt();
int m = sc.nextInt();
Set<Integer> s = new HashSet<>();
for(int i=0;i<n;i++){
s.add(sc.nextInt());
}
if(s.size()==m){
System.out.println("NO");
}else {
System.out.println("YES");
}
}
}catch(Exception e){
System.out.println(“wrong inpput”);
}
}
}