A young man bike riding on a dirt path with people watching in the background.
The boy is sitting on the grass.
Bike riding is not just sitting. A dirt path would not consist of grass.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_background(x8) & a_topic(x1) & with(e1,x6) & in(e2,x8) & Actor(e2,x7) & v_watch(e2) & (x6 = x7) & n_people(x6) & on(e1,x4) & n_path(x4) & of(x4,x5) & n_dirt(x5) & Actor(e1,x3) & v_ride(e1) & (x1 = x3) & n_bike(x1) & of(x1,x2) & n_man(x2) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_grass(x2) & n_boy(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))