A person is a riding a bike through a parking lot with dead trees in the background.
A person is riding a bike.
A person is riding a bike is the same as a person is riding a bike.
exists e1 p1 s1 x1 x2 x3 x4 x5 x6.(n_background(x6) & for(p1,e1) & with(e1,x5) & in(x5,x6) & n_tree(x5) & a_dead(s1) & Theme(s1,x5) & through(e1,x3) & n_lot(x3) & of(x3,x4) & n_parking(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & exists x7.((x1 = x7) & n_a(x7)) & n_person(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_person(x1))