A bunch of people sitting around tables with drinks.
A group gathered around tables.
A  group gathered around tables is another way of saying that a bunch of people are sitting around tables.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x5) & n_drink(x5) & around(e1,x4) & n_table(x4) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & of(x1,x2) & n_people(x2) & n_bunch(x1))
exists e1 x1 x2.(around(e1,x2) & n_table(x2) & Actor(e1,x1) & v_gather(e1) & n_group(x1))