Two toddlers sit on their mother's lap while she feeds them.
The mother is alone in the kitchen.
lap and kitchen are two different kind of actions
exists e1 p1 x1 x2 x3.(exists e2.(Theme(e2,x1) & Actor(e2,x2) & v_feed(e2)) & n_thing(x1) & n_thing(x1) & n_female(x2) & while(e1,p1) & on(e1,x3) & n_lap(x3) & of(x3,x2) & n_mother(x2) & of(x2,x1) & Actor(e1,x1) & v_sit(e1) & n_toddler(x1) & card_eq_2(x1))
exists s1 x1 x2.(n_kitchen(x2) & n_mother(x1) & in(s1,x2) & Theme(s1,x1) & a_alone(s1))