Person wading in the lake with a fishing net at sunset.
A person attempts to catch some supper before nightfall.
Just because a person is wading in the lake with a fishing net does not mean they are trying to catch some supper, they could just as easily be trying to catch a fish to look at and then throw back into the lake.
exists x1 x2 x3 x4 x5 x6.(n_lake(x3) & a_topic(x1) & in(x1,x3) & with(x3,x4) & at(x4,x6) & n_sunset(x6) & n_net(x4) & of(x4,x5) & n_fishing(x5) & n_wading(x1) & (x1 = x2) & ne_nam_person(x2))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_attempt(e1) & exists e2 x2 x3.(before(e2,x3) & n_nightfall(x3) & Theme(e2,x2) & Actor(e2,x1) & v_catch(e2) & n_supper(x2)) & n_person(x1))