A small boy walks down a wooden path in the woods.
The boy is running in the sand.
If the boy walks on a wooden path he is not running in sand
exists e1 s1 s2 s3 x1 x2 x3.(n_wood(x3) & in(e1,x3) & a_down(s3) & Manner(e1,s3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_path(x2) & a_wooden(s2) & Theme(s2,x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_sand(x2) & n_boy(x1) & in(e1,x2) & Actor(e1,x1) & v_run(e1))