#include<bits/stdc++.h>
using namespace std;
bool erfen(int *a,int l, int r,int mubiao)
{
int m=-1;
while(l<r)
{
m=(r+l)/2;
if(a[m]<mubiao)
{
l=m+1;
}
else if(a[m]>mubiao)
{
r=m-1;
}
else
{
return true;
}
if(a[l]==mubiao || a[r]==mubiao)
{
return true;
}
}
if(a[l]==mubiao || a[r]==mubiao)
{
return true;
}
return false;
}
int main()
{
int t, id;
cin >> t>>id;
for(int i=0; i<t; i++)
{
int n;
cin >> n;
int a[1000001];
memset(a,0,n);
for(int j=0; j<n; j++)
{
cin>>a[j];
}
sort(a, a+n);
if(n<4)
{
cout<<"No"<<endl;
continue;
}
if(id==4)
{
cout<<"Yes"<<endl;
continue;
}
bool yes=false;
for(int xiao = n-2; xiao>0; xiao--)
{
int cha = abs(a[xiao] - a[0]);
if(erfen(a, 1, xiao-1, abs(a[n-1]-cha)))
{
yes=true;
break;
}
}
if(yes)
{
cout<<"Yes"<<endl;
}
else
{
cout<<"No"<<endl;
}
}
return 0;
}