#include <bits/stdc++.h>
//#include <inout.h>
#define int long long
#define endl "\n"
using namespace std;
map<int,int>mp;
int n,m,dp[1000005],d[1000005],a[30];
signed main() {
	int T;cin>>T;
	while(T--){
		cin>>n>>m;
		for(int i=1;i<=n;i++)cin>>a[i];
		mp.clear();
		for(int i=1;i<=m;i++)cin>>d[i],mp[d[i]]=1;
		memset(dp,0,sizeof(dp));
		dp[0]=1;
		for(int s=1;s<(1<<n);s++){
			int tim=0;
			for(int i=0;i<n;i++){
				if((1<<i)&s){
					dp[s]|=dp[s-(1<<i)];
					tim+=a[i+1];
				}
			}
			if(mp[tim])dp[s]=0;
		}
		puts(dp[(1<<n)-1]?"YES":"NO");
	}
	return 0;
}