A man in red pants walking on rocks.
The man's pants are not blue.
Red pants implies pants are not blue.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(e1,x4) & n_rock(x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_pants(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x2.(n_pants(x2) & of(x2,x1) & n_man(x1) & -exists s1.(Theme(s1,x2) & a_blue(s1)))