A firefighter looks at another firefighter in the blurry distance.
A couple of firefighters in the firetruck.
A firefighter is singular as where a couple of firefighters is plural.
exists e1 s1 x1 x2 x3.(n_distance(x3) & a_blurry(s1) & Theme(s1,x3) & at(e1,x2) & in(x2,x3) & n_firefighter(x2) & -(x2 = x1) & n_firefighter(x1) & n_firefighter(x1) & Actor(e1,x1) & v_look(e1))
exists x1 x2 x3.(n_firetruck(x3) & a_topic(x1) & in(x1,x3) & of(x1,x2) & n_firefighter(x2) & n_couple(x1))