A half-dressed man walks into a river at the bottom of a small waterfall.
A man is outside.
A man walks into a river must be outside.
exists e1 s1 s2 x1 x2 x3 x4.(n_bottom(x3) & at(e1,x3) & of(x3,x4) & n_waterfall(x4) & a_small(s2) & Theme(s2,x4) & into(e1,x2) & n_river(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1) & a_half-dressed(s1) & Theme(s1,x1))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_man(x1))