Some children play tug-of-war in a grassy area while adults look on from a distance.
Kids are playing games in the park while their parents discuss a book they all read
Children playing tug-of-war in a grassy area are not necessarily in the park. Adults looking are not necessarily to discuss a book they all read.
exists e1 p1 s1 x1 x2 x3.(exists e2 x4 x5.(r_on(e2) & from(e2,x5) & n_distance(x5) & Actor(e2,x4) & v_look(e2) & n_adult(x4)) & while(e1,p1) & in(e1,x3) & n_area(x3) & a_grassy(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tug-of-war(x2) & n_child(x1))
exists x2 x5 x6.(n_parent(x6) & of(x6,x5) & n_thing(x5) & n_park(x5) & n_thing(x2) & all x1.((x1 = x2) -> exists e1 p1.(exists e2 p2 x3 x4.(exists e3 x7.(Theme(e3,x7) & Actor(e3,x6) & v_discuss(e3) & n_book(x7)) & while(e2,p2) & in(e2,x5) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_game(x4) & n_kid(x3)) & Topic(e1,p1) & Actor(e1,x1) & v_read(e1))))