Read the excerpt below: When you picture mountain climbers scaling Mount Everest, what probably comes to mind are teams of guides, and they'll spend weeks to get to the top after reaching Base Camp; but Kilian Jornet Burgada ascended the mountain in May 2017 alone, without an oxygen mask or fixed ropes for climbing? A sentence is composed of two elements: a subject and a predicate. Bearing this in mind, what is the subject in "Kilian Jornet Burgada ascended the mountain in May 2017 alone, without an oxygen mask or fixed ropes for climbing"?
