Three children are on the floor playing with building blocks.
The children are playing in the bedroom.
The fact that the children are playing on the floor does not indicate that they are playing in the bedroom.
exists p1 x1 x2 x3.(n_playing(x2) & of(x2,x3) & n_floor(x3) & exists x4 x5.(on(x1,x2) & with(x2,x4) & n_block(x4) & of(x4,x5) & n_building(x5)) & n_child(x1) & card_eq_3(x1))
exists e1 x1 x2.(n_bedroom(x2) & n_child(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))