The biker is riding through the woods.
Someone biking in a forest.
The woods is another term for forest.
exists e1 x1 x2.(n_wood(x2) & n_biker(x1) & through(e1,x2) & Actor(e1,x1) & v_ride(e1))
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_forest(x2) & n_biking(x1))