Group of horse riders travel through the woods.
Some people on horses riding through the woods.
Horse riders are people on horses.    Riding is one way of travelling.
exists e1 x1 x2 x3 x4.(n_wood(x4) & ne_org_group(x1) & through(e1,x4) & Actor(e1,x1) & v_travel(e1) & of(x1,x2) & n_rider(x2) & of(x2,x3) & n_horse(x3))
exists e1 x1 x2 x3 x4.(n_wood(x4) & a_topic(x1) & on(x1,x2) & through(e1,x4) & Actor(e1,x3) & v_ride(e1) & (x2 = x3) & n_horse(x2) & n_people(x1))