A person on a bike is riding through a rocky trail in the woods.
The person is riding a stationary bike.
A person cannot be riding through the woods if he is on a stationary bike.
exists e1 s1 x1 x2 x3 x4.(n_wood(x4) & in(e1,x4) & through(e1,x3) & n_trail(x3) & a_rocky(s1) & Theme(s1,x3) & Actor(e1,x1) & v_ride(e1) & on(x1,x2) & n_bike(x2) & n_person(x1))
exists e1 s1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & a_stationary(s1) & Theme(s1,x2))