Three people holding cameras are standing on a dirt trail with grass on the side of it.
The people are photographing their children on the trail.
Not all people with cameras are photographing children.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(n_side(x7) & on(e2,x7) & of(x7,x1) & n_thing(x1) & with(e2,x6) & n_grass(x6) & on(e2,x4) & n_trail(x4) & of(x4,x5) & n_dirt(x5) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_camera(x3) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(n_trail(x3) & n_child(x2) & of(x2,x1) & n_thing(x1) & n_people(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_photograph(e1))