Given this responsive image, the viewport is 1000px wide and the device has a DPR (device pixel ratio) of 1. Which source does the browser pick?
<img
src="fallback.jpg"
srcset="small.jpg 480w, medium.jpg 800w, large.jpg 1600w"
sizes="(max-width: 600px) 100vw, 50vw"
alt="">