How to remove deep stains from dishes<br>Wash dishes thoroughly. Leftover foodstuffs can cover up stains, shielding them from your cleaning efforts. Rinse and dry the dishes before continuing.
wash them for a few moments
It says to wash dishes thoroughly. This can usually be interpreted as being more than a few moments depending on how dirty it is. It probably counted it wrong because the context stated to wash thouroughly
( z1 wash :mxde imperative :ARG0 ( z2 you ) :ARG1 ( z3 they ) :duration ( z4 moment :quant ( z5 few ) ) )