Scanf.scanf "%d" (fun t ->
    for i = 1 to t do
        Scanf.scanf " %d %d" (fun n m ->
            let a = Array.init n (fun _ -> Scanf.scanf " %d" (fun a -> a)) in
            let rec loop i =
                if i = n - 1 then "Yes" else
                    if a.(i) + a.(i + 1) >= m then loop (i + 1) else "No"
            in
            Printf.printf "%s\n" @@ loop 0
        )
    done
)