A man in a black apron cooks up some meat on a grill.
The man is sitting on the couch.
A man can either cook up meat on a grill or be sitting on the couch.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & up(x2,x4) & on(x4,x5) & n_grill(x5) & n_meat(x4) & n_cook(x2) & of(x2,x3) & n_apron(x3) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_couch(x2) & n_man(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))