four people talking in a presentation room.
Four people play baskeball on a court.
The people cannot be talking in a presentation room and playing basketball on a court at the same time.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_room(x3) & of(x3,x4) & n_presentation(x4) & Actor(e1,x2) & v_talk(e1) & (x1 = x2) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_court(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_baskeball(x2) & n_people(x1) & card_eq_4(x1))