Three children are on the floor playing with building blocks.
Three children sit and watch a movie.
Three children are on the floor playing with building blocks and other three watch a movie
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 e2 x1 x2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_watch(e2) & n_movie(x3) & n_child(x2) & card_eq_3(x2) & Actor(e1,x1) & v_sit(e1) & n_child(x1) & card_eq_3(x1))