Cement truck with a yellow mixer parked in front of a building.
The truck has a phone number on the back.
Not all trucks have phone numbers on the back.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(x1,x3) & in(e1,x5) & of(x5,x6) & n_building(x6) & n_front(x5) & Theme(e1,x4) & v_park(e1) & (x3 = x4) & n_mixer(x3) & a_yellow(s1) & Theme(s1,x3) & n_truck(x1) & (x1 = x2) & ne_nam_cement(x2))
exists e1 x1 x2 x3 x4.(n_back(x4) & n_truck(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & on(x2,x4) & n_number(x2) & of(x2,x3) & n_phone(x3))