A man fly fishes in a large river.
A man is fishing
fly fishes is a rephrasing of fishing
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_river(x3) & a_large(s1) & Theme(s1,x3) & Actor(e1,x1) & v_fish(e1) & n_fly(x1) & of(x1,x2) & n_man(x2))
exists p1 x1.(exists x2.((x1 = x2) & n_fishing(x2)) & n_man(x1))