Show half of the other item on Owl Carousel vinmec.com items: 1.5 (ok)

$('.owl-carousel-related').owlCarousel({
    loop: true,
    margin: 15,
    autoplay: false,
    nav: false,
    dots: true,
    responsive: {
      0: {
        items: 1.5
      },
      500: {
        items: 1.5
      },
      600: {
        items: 3
      },
      1000: {
        items: 4
      }
    }
  });