Two smiling kitchen workers are mashing something.
Two women smiling while mashing potatoes.
mashing something could have been something other than mashing potatoes.
exists e2 e1 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x1) & v_mash(e2) & n_thing(x3) & n_worker(x1) & of(x1,x2) & n_kitchen(x2) & Actor(e1,x1) & v_smile(e1) & card_eq_2(x1))
exists e2 e1 x1 x2 x3.(a_topic(x1) & while(e1,e2) & Theme(e2,x3) & Actor(e2,x2) & v_mash(e2) & n_potato(x3) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))