two men climb a large rock.
Two brothers scale a chunk of granite.
there is no indication the large rock is a chunk of granite.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_rock(x2) & a_large(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_scale(e1) & of(x2,x3) & n_granite(x3) & n_chunk(x2) & n_brother(x1) & card_eq_2(x1))