A man is sitting outside on a chair.
A man is in a rocking chair on his porch.
There's no way to know what type of chair the man is sitting on.
exists e1 s1 x1 x2.(on(e1,x2) & n_chair(x2) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists p1 x1 x3.(exists e1 x2.(in(x1,x2) & on(x2,x3) & n_chair(x2) & Actor(e1,x2) & v_rock(e1)) & n_porch(x3) & of(x3,x1) & n_male(x1) & n_man(x1))