two men grilling on a wood stove
two men are making burgers on a grill
Using a grill does not imply they are making burgers.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_stove(x3) & of(x3,x4) & n_wood(x4) & Actor(e1,x2) & v_grill(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_grill(x3) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_burger(x2) & n_man(x1) & card_eq_2(x1))