An elderly man drives a unique firetruck.
The firetruck is pink.
Firetrucks can be red, white, black, or pink.
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_firetruck(x2) & a_unique(s2) & Theme(s2,x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists s1 x1.(n_firetruck(x1) & Theme(s1,x1) & a_pink(s1))