A man in a red hat is climbing up a rock hillside.
The man walks down the trail.
The man cannot be going up and down the hill simultaneously.
exists e1 s1 s2 x1 x2 x3 x4.(a_up(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_climb(e1) & n_hillside(x3) & of(x3,x4) & n_rock(x4) & in(x1,x2) & n_hat(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(n_trail(x2) & n_man(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1))