package test;

import java.util.*;

public class firstAtCoder {

public static void main(String[] args) {

Scanner s = new Scanner(System.in);

int t = s.nextInt();

s.nextLine();

while(t-- > 0) {

int m = s.nextInt();

int n = s.nextInt();

Boolean ans = false;

int arr1[] = new int[m];

ArrayList<Integer> arr2= new ArrayList<Integer>();

for(int i =0;i<m;i++)

arr1[i] = s.nextInt();

for(int i =0;i<n;i++)

arr2.add(s.nextInt());

HashMap <Integer,Integer> hash= new HashMap<Integer,Integer>();

for(int i = 0;i<m;i++){

if(arr2.contains(arr1[i]))

hash.put(arr1[i],i);

if(hash.keySet().size() == n){

ans = true;

break;

}

}

System.out.println(ans?"Yes":"No");

}

}

}