A young boy is fishing off of a dock in a river surrounded by trees.
a boy is catching lots of fish off the dock
It cannot be inferred that the fishing boy is catching lots of fish.
exists e2 e1 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 x4.(n_dock(x4) & off(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & of(x2,x3) & n_fish(x3) & n_lot(x2) & n_boy(x1))