Assertion: matrix's element | /r/AtLocation | 13th row
Facets:
Source sentences:
text: Element 1,1 is the entry in the first row and first column; element 13,2 is in the 13th row and is the second element of that row.
text: Element 1,1 is the entry in the first row and first column; element 13,2 is in the 13th row and is the second element of that row.