else:
element, facet, value = arguments
if element not in universe.contents:
message = "The \"" + element + "\" element does not exist."
else:
universe.contents[element].set(facet, value)
else:
element, facet, value = arguments
if element not in universe.contents:
message = "The \"" + element + "\" element does not exist."
else:
universe.contents[element].set(facet, value)