Check to see if Kennewick Man's skull is slightly squared around the edges, suggestive of a cube.
The skull is suggestive of a cube because it was hit with a blunt object and had its shape changed.
mnli hypothesis: The skull is suggestive of a cube because it was hit with a blunt object and had its shape changed. premise: Check to see if Kennewick Man's skull is slightly squared around the edges, suggestive of a cube.