People boarding an orange bus that says Primor.
The people are on bikes.
The people can't be on an orange bus and on bikes simultaneously.
exists e2 e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_board(e2) & on(e1,x6) & ne_nam_primor(x6) & Actor(e1,x5) & v_say(e1) & (x3 = x5) & n_bus(x3) & of(x3,x4) & n_orange(x4) & (x1 = x2) & n_people(x1))
exists p1 x1.(n_people(x1) & exists x2.(on(x1,x2) & n_bike(x2)))