#include <bits/stdc++.h>
using namespace std;
int main() {
  int t;
  cin >> t;
  while (t--) {
    int n, m;
    cin >> n >> m;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
      cin >> a[i];
    }
    bool ok = true;
    for (int i = 0; i < n - 1; i++) {
      if (m <= a[i] + a[i + 1] && a[i] + a[i + 1] <= 2 * m) continue;
      ok = false;
    }
    cout << (ok ? "Yes" : "No") << endl;
  }
  return 0;
}