A man looks at a carving of a head on display.
A man is in a gallery.
Just because a man looks at a carving of a displayed head doesn't imply he is in a gallery.
exists e1 x1 x2 x3 x4.(at(e1,x3) & of(x3,x4) & n_head(x4) & n_carving(x3) & on(e1,x2) & n_display(x2) & Actor(e1,x1) & v_look(e1) & n_man(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_gallery(x2)) & n_man(x1))