Three children are playing in the grass, while mom searches for her car keys.
Three children are playing while their mom looks for the keys that she accidentally locked in the car.
It is unusual to put keys in locked car
exists e1 x1 x2 x3 x4 x5 x6.(n_key(x5) & of(x5,x6) & n_car(x6) & of(x5,x2) & n_female(x2) & n_grass(x2) & while(e1,x3) & for(x3,x5) & n_search(x3) & of(x3,x4) & n_mom(x4) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_3(x1))
exists e1 p1 p2 x1 x2 x3 x4.(Topic(x3,p2) & exists e3 s1.(a_accidentally(s1) & Manner(e3,s1) & in(e3,x4) & Actor(e3,x3) & v_lock(e3)) & n_car(x4) & n_female(x3) & n_key(x3) & exists e2.(for(e2,x3) & Actor(e2,x2) & v_look(e2)) & n_mom(x2) & of(x2,x1) & n_thing(x1) & while(e1,p1) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_3(x1))