How to set a table<br>Put down the placemat. Put a placemat in front of each of the chairs you've set up for your guests. [substeps] For a true formal dinner setting, you should have enough matching placemats for all of the guests, and the placemats should also match the tablecloth.
The tablecloth is enhanced by the appropriate placemats.
The paragraph states that a true formal setting is achieved by having placemats that match the tablecloth. This implies that achieving the best result or truest result is done by matching the appropriate placemats and tablecloth. 
( z1 enhance :ARG0 ( z2 placemat :ARG1-of ( z3 appropriate ) ) :ARG1 ( z4 cloth :mod ( z5 tablecloth ) ) )