A person is fishing at sunset.
A man has been relaxing and fishing all day long.
Fishing at sunset doesn't imply relaxing. And all day can be an exaggeration if someone started early and just did it for a long time.
exists e1 x1 x2.(at(e1,x2) & n_sunset(x2) & Actor(e1,x1) & v_fish(e1) & n_person(x1))
exists e1 x1 x2.(all x3.(n_day(x3) -> exists e2 s1.(a_long(s1) & Manner(e2,s1) & Theme(e2,x3) & Actor(e2,x2) & v_fish(e2))) & n_man(x2) & Actor(e1,x1) & v_relax(e1) & n_man(x1))