A young boy is fishing off of a dock in a river surrounded by trees.
the boy is climbing trees near a creek
A boy climbing trees cannot be simultaneously fishing off a dock. Also, a river is not a creek.
exists e1 e2 s1 x1 x2 x3 x4 x5.(of(e1,x2) & in(x2,x3) & Actor(e2,x5) & n_tree(x5) & Theme(e2,x4) & v_surround(e2) & (x3 = x4) & n_river(x3) & n_dock(x2) & r_off(e1) & Actor(e1,x1) & v_fish(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_boy(x1) & near(e1,x3) & n_creek(x3) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_tree(x2))