Two people riding a scooter at night in traffic.
Two people riding a motorcycle at night on an empty road.
scooter and motorcycle are two different vehicles
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x5) & n_traffic(x5) & at(e1,x4) & n_night(x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_scooter(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x5) & n_road(x5) & a_empty(s1) & Theme(s1,x5) & at(e1,x4) & n_night(x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_motorcycle(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))