People are gathered on a platform in water for a ceremony.
People are walking out of a building after a press conference.
People cannot be walking out of a building if they are gathered on a platform.
exists e1 x1 x2 x3 x4.(for(e1,x4) & n_ceremony(x4) & in(e1,x3) & n_water(x3) & on(e1,x2) & n_platform(x2) & Theme(e1,x1) & v_gather(e1) & n_people(x1))
exists e1 x1 x2 x3 x4.(after(e1,x3) & n_conference(x3) & of(x3,x4) & n_press(x4) & of(e1,x2) & n_building(x2) & r_out(e1) & Actor(e1,x1) & v_walk(e1) & n_people(x1))