A person is fishing in a muddy marsh.
The person is a male.
The person is not necessarily a male.
exists p1 s1 x1 x2.(in(p1,x2) & n_marsh(x2) & a_muddy(s1) & Theme(s1,x2) & exists x3.((x1 = x3) & n_fishing(x3)) & n_person(x1))
exists p1 x1.(n_person(x1) & exists x2.((x1 = x2) & n_male(x2)))