#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    int T; cin >> T;
    rep(_,T) {
        int N,M; cin >> N >> M;
        vector<int> A(N);
        rep(i,N) cin >> A[i];
        int ok = 1;
        rep(i,N-1) ok &= A[i] + A[i + 1] >= M;
        cout << (ok ? "Yes" : "No") << "\n";
    }
}