A man fly fishes in the ocean.
The man is trying to catch fish for dinner.
A man who is fishing may not always eat his potential catch for dinner.
exists x1 x2 x3 x4.(n_ocean(x4) & a_topic(x1) & in(x1,x4) & n_fish(x1) & of(x1,x3) & n_fly(x3) & of(x1,x2) & n_man(x2))
exists e1 p1 x1.(n_man(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2 x3.(for(e2,x3) & n_dinner(x3) & Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_fish(x2)))