A competitive biker pauses on the course.
The biker is riding in a car.
The biker is clearly riding his bike on a course at a race, the second he or she is being driven somewhere.
exists s1 x1 x2 x3.(n_course(x3) & a_topic(x1) & on(x1,x3) & n_pause(x1) & of(x1,x2) & n_biker(x2) & a_competitive(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_biker(x1) & in(e1,x2) & n_car(x2) & Actor(e1,x1) & v_ride(e1))