The man is dirt bike riding is the stream and climbing the rocks on the bank of the water.
The man just ate it on the rocks.
The man may not have ate in on the rocks.
exists p1 p2 x1 x2 x6 x8 x9 x10.(n_water(x10) & n_bank(x9) & n_rock(x8) & n_stream(x6) & n_man(x1) & exists e1 x5 x7.((x1 = x5) & subset_of(e1,x5) & on(e1,x9) & of(x9,x10) & Theme(e1,x8) & Actor(e1,x7) & v_climb(e1) & n_thing(x7) & subset_of(x6,x5)) & exists s1 x3 x4.((x2 = x3) & n_riding(x3) & of(x3,x4) & n_bike(x4) & a_dirt(s1) & Theme(s1,x3)) & (x1 = x2))
exists e1 s1 x1 x2 x3.(n_rock(x3) & n_thing(x2) & n_man(x1) & a_just(s1) & Manner(e1,s1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1))