Not all dark clothing is black. Not every man precariously stepping off the edge of a small cliff formation is standing on a mountaintop.


Context: "A man dressed in dark clothing and a black hat is precariously stepping off the edge of a small cliff formation with the largest part of the formation and the desert landscape behind him." Claim: "A man dressed in black is standing on a mountaintop."
Considering the context, is the claim true, false, or unknown?