People playing bagpipes in a kitchen.
People are running a marathon
Playing bagpipes and running a marathon are mutually exclusive activities.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_kitchen(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_bagpipe(x3) & (x1 = x2) & n_people(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_marathon(x2) & n_people(x1))