A man is rollerblading down a rail.
There is a woman running.
a man does not refer to a woman
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_rollerblade(e1) & n_rail(x2) & n_man(x1))
exists p1 x1 e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_run(e1) & (x2 = x3) & n_woman(x2))