A person wearing a helmet rides a dirty bike on a dirt path in the woods.
A boy wearing a helmet rides a dirt bike on a path in the woods.
The person riding the bike is not necessarily a boy. The type of bike the person rides is not necessarily a dirt bike.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8.(n_wood(x8) & Theme(e2,x4) & Actor(e2,x1) & v_ride(e2) & on(x4,x6) & in(x6,x8) & n_path(x6) & of(x6,x7) & n_dirt(x7) & n_bike(x4) & of(x4,x5) & n_dirty(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_helmet(x3) & (x1 = x2) & n_person(x1))
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(n_wood(x7) & Theme(e2,x4) & Actor(e2,x1) & v_ride(e2) & on(x4,x6) & in(x6,x7) & n_path(x6) & n_bike(x4) & of(x4,x5) & n_dirt(x5) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_helmet(x3) & (x1 = x2) & n_boy(x1))