A child runs through a field.
The child is walking through the field.
Walking is not running.
exists e1 x1 x2.(through(e1,x2) & n_field(x2) & Actor(e1,x1) & v_run(e1) & n_child(x1))
exists e1 x1 x2.(n_field(x2) & n_child(x1) & through(e1,x2) & Actor(e1,x1) & v_walk(e1))