A young man and woman sitting in the backseat of a car smile at the camera.
there is a couple posing for a picture in the backseat of their car.
smile  doesn't always mean posing
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_camera(x7) & n_backseat(x4) & a_topic(s1) & at(e1,x7) & in(e1,x4) & of(x4,x5) & n_smile(x5) & of(x5,x6) & n_car(x6) & Actor(e1,x3) & v_sit(e1) & (s1 = x3) & n_woman(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1) & a_young(s2) & Theme(s2,s1))
exists p1 x1 x5 x6.(n_car(x6) & of(x6,x5) & n_thing(x5) & n_backseat(x5) & exists e1 x2 x3 x4.((x1 = x2) & for(e1,x4) & in(x4,x5) & of(x5,x6) & n_picture(x4) & Actor(e1,x3) & v_pose(e1) & (x2 = x3) & n_couple(x2)))