Two kids standing in a firetruck.
Two people driving a firetruck.
The people can either be standing or driving in the firetruck.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_firetruck(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_kid(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_drive(e1) & n_firetruck(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))