Four people in hats stand to watch an event, two of them with cameras.
Four people eat dinner.
stand and eat are different activities
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_stand(e1) & exists e2 x3 x4 x5.(Theme(e2,x3) & Actor(e2,x1) & v_watch(e2) & rel(x3,x4) & with(x4,x5) & n_camera(x5) & of(x4,x1) & n_thing(x4) & card_eq_2(x4) & n_event(x3)) & n_thing(x1) & in(x1,x2) & n_hat(x2) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_dinner(x2) & n_people(x1) & card_eq_4(x1))