Three children are playing in the grass, while mom searches for her car keys.
Three kids were trapped in a hot car and a stranger used a fire extinguisher to break the window and save them.
One can not be playing in the grass and be trapped in a car simultaneously.
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 e2 e1 p1 s1 x1 x2 x3 x4 x5 x6.(n_thing(x6) & n_window(x6) & Theme(e2,p1) & Recipient(e2,x4) & Actor(e2,x3) & v_use(e2) & exists e3 e4.(Theme(e4,x6) & Actor(e4,x3) & v_save(e4) & Theme(e3,x6) & Actor(e3,x3) & v_break(e3)) & n_extinguisher(x4) & of(x4,x5) & n_fire(x5) & n_stranger(x3) & in(e1,x2) & n_car(x2) & a_hot(s1) & Theme(s1,x2) & Theme(e1,x1) & v_trap(e1) & n_kid(x1) & card_eq_3(x1))