A man in a white button up shirt smiling and laughing at the camera.
This guy is at a wedding.
Not every man laughing at a camera is at a wedding.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_camera(x6) & a_topic(x1) & at(e2,x6) & Actor(e2,x5) & v_laugh(e2) & (x1 = x5) & Actor(e1,x4) & v_smile(e1) & (x1 = x4) & up(x1,x3) & n_shirt(x3) & in(x1,x2) & n_button(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(n_guy(x1) & exists x2.(at(x1,x2) & n_wedding(x2)))