Two toddlers sit on their mother's lap while she feeds them.
The toddlers are eating food.
Eating food implies feeding.
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 e1 x1 x2.(n_toddler(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_food(x2))