A mountain biker rides through a shady trail.
A person is riding a bike outdoors
A biker is a person and person riding trail must be outdoors.
exists e1 s1 x1 x2 x3.(through(e1,x3) & n_trail(x3) & a_shady(s1) & Theme(s1,x3) & Actor(e1,x1) & v_ride(e1) & n_biker(x1) & of(x1,x2) & n_mountain(x2))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_outdoors(x2) & of(x2,x3) & n_bike(x3) & n_person(x1))