#include<stdio.h>
int a[200005];
int main()
{
	int t;
	scanf("%d", &t);
	int n, m;
	int i, f;
	for (; t > 0; t--)
	{
		scanf("%d %d", &n, &m);
		a[0] = m;
		for (i = 0; i < n; i++)
			scanf("%d", &a[i + 1]);
		f = 0;
		for (i = 0; i < n - 1; i++)
			if (a[i] > a[i + 1] + a[i + 2])
				f++;
		for (i = 2; i <= n; i++)
			if (a[i] > a[i - 1] + a[i - 2])
				f++;
		if (f > 0)
			printf("No\n");
		else
			printf("Yes\n");
	}
	return 0;
}