Two boys are on wooden poles above a brown river.
The boys are looking at the fish.
You don't know there are fish in the river
exists p1 x1.(exists s1 s2 x2 x3.(on(x1,x2) & above(x2,x3) & n_river(x3) & a_brown(s2) & Theme(s2,x3) & n_pole(x2) & a_wooden(s1) & Theme(s1,x2)) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_fish(x2) & n_boy(x1) & at(e1,x2) & Actor(e1,x1) & v_look(e1))