A person walking in shadow next to a wall and a line of trees.
A person is shaded by trees as the walk next to a wall.
For a person to be walking in a shadow next to a wall and line of trees doesn't necessarily mean the shadow is coming from the trees.
exists s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(s1) & subset_of(x6,s1) & of(x6,x7) & n_tree(x7) & n_line(x6) & subset_of(x1,s1) & to(x4,x5) & n_wall(x5) & next(x1,x4) & n_thing(x4) & in(x1,x3) & n_shadow(x3) & Time(x1,x2) & n_walking(x2) & n_person(x1))
exists e1 x1 x2 x3 x4 x5.(n_walk(x3) & Actor(e1,x2) & as(x2,x3) & to(x4,x5) & n_wall(x5) & next(x3,x4) & n_thing(x4) & n_tree(x2) & Theme(e1,x1) & v_shade(e1) & n_person(x1))