A man is riding a dirt bike around a turn on a dirt course.
a man rides a bike
There is a both a man riding a bike.
exists e1 x1 x2 x3 x4 x5 x6.(around(e1,x4) & on(x4,x5) & n_course(x5) & of(x5,x6) & n_dirt(x6) & n_turn(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_man(x1))