A man and a woman looking at a red sculpture.
A couple admires modern art at an art exhibit.
A man and a woman standing at a red sculpture, while they look back at the camera, aren't necessarily at an art exhibit.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & at(e1,x4) & n_sculpture(x4) & a_red(s2) & Theme(s2,x4) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_admire(e1) & at(x2,x3) & n_exhibit(x3) & of(x3,x4) & n_art(x4) & n_art(x2) & a_modern(s1) & Theme(s1,x2) & n_couple(x1))