Question: In between Distaghil Sar and Changtse which one is connected to Mount Everest via the North Col?
Sentence (from "Kala Patthar"): Kala Patthar, meaning 'black rock' in Nepali and Hindi, is a notable landmark located on the south ridge of Pumori in the Nepalese Himalayas above Gorakshep.
Relevant evidence: No