A man sits on rocks by an empty chair at the ocean's edge.
The man is sitting on the empty chair.
rocks are different from an empty chair
exists e1 s1 x1 x2 x3 x4 x5.(n_edge(x5) & of(x5,x4) & n_ocean(x4) & at(e1,x5) & by(e1,x3) & n_chair(x3) & a_empty(s1) & Theme(s1,x3) & on(e1,x2) & n_rock(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 s1 x1 x2.(n_chair(x2) & a_empty(s1) & Theme(s1,x2) & n_man(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))