A bunch of people sitting outside around a body of water.
A man in a lake
Subject could be either a single man or a group of people. If people are in lake, they are not sitting around water.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & around(e1,x4) & of(x4,x5) & n_water(x5) & n_body(x4) & r_outside(e1) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & of(x1,x2) & n_people(x2) & n_bunch(x1))
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_lake(x2) & n_man(x1))