A young couple in the front seat of a car offer a friendly greeting to the individual who is taking the picture.
The couple greet a photographer.
A photographer is an individual who takes pictures.
exists s3 x3 x6 x8.(n_picture(x8) & n_individual(x6) & n_seat(x3) & a_front(s3) & Theme(s3,x3) & all x1 s1.((n_greeting(x1) & a_friendly(s1) & Theme(s1,x1)) -> exists e1 s2 x2 x4 x5 x7.(a_topic(x2) & Theme(e1,x8) & Actor(e1,x7) & v_take(e1) & (x2 = x7) & to(x2,x6) & for(x2,x1) & in(x2,x3) & of(x3,x4) & n_offer(x4) & of(x4,x5) & n_car(x5) & n_couple(x2) & a_young(s2) & Theme(s2,x2))))
exists e1 x1 x2.(n_couple(x1) & Theme(e1,x2) & Actor(e1,x1) & v_greet(e1) & n_photographer(x2))