For each of the rows in the table below, mark the row A if the expression in column A is a well-formed formula (WFF) and the expression in column B is not; mark the row B if the expression in B is a WFF and the expression in A is not; mark the row C if the expression in both Columns are WFFs; and mark the row with a D if neither column contains a WFF for that row.

Part 1 (one point total). For each of the rows in the table below, mark the row 'A' if the expression in column A is a well-formed formula (WFF) and the expression in column B is not; mark the row B' if the expression in B is a wFF and the expression in A is not; mark the row 'C' if the expression in both Columns are WFFs; and mark the row with a D' if neither column contains a WFF for that row Column A P&Q ColumnB PQ P&O) (P&Q)>C (P&Q)->(C-D) P&Q) (CVD >P 6 P a (P->(P&P)P