A woman is preparing food while others watch.
Someone is cooking.
Someone who is cooking is preparing food.
exists e1 p1 x1 x2.(exists e2 x3.(Actor(e2,x3) & v_watch(e2) & -(x3 = x1) & n_person(x3)) & n_person(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_food(x2) & n_woman(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_cooking(x2)) & n_person(x1))