Various people on a basketball court.
People playing basketball on a basketball court.
The people are on a basketball court but they are not necessarily playing basketball.
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & n_court(x2) & of(x2,x3) & n_basketball(x3) & n_people(x1) & a_various(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x4) & n_court(x4) & of(x4,x5) & n_basketball(x5) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_basketball(x3) & (x1 = x2) & n_people(x1))