people standing, fishing and diving into the water.
They are outdoors.
Diving into the water does not necessarily mean outdoors.
exists e2 e1 x1 x2 x3 x4.(n_water(x4) & into(e2,x4) & Actor(e2,x3) & v_dive(e2) & n_people(x3) & rel(e1,x2) & n_fishing(x2) & Actor(e1,x1) & v_stand(e1) & n_people(x1))
exists p1 x1.(n_thing(x1) & exists x2.((x1 = x2) & n_outdoors(x2)))