Assertion: table's row | /r/HasProperty | blank
Facets:
Source sentences:
text: Make sure your source table contains no blank rows or columns, and no subtotals.
text: For example, because each row and column must contain every element in the group, if all elements are accounted for save one, and there is one blank spot, without knowing anything else about the group it is possible to conclude that the element unaccounted for must occupy the remaining blank space.