People are gathered around tables in a restaurant.
The people are at a banquet.
Not all restaurants are a banquet.
exists e1 x1 x2 x3.(in(e1,x3) & n_restaurant(x3) & around(e1,x2) & n_table(x2) & Theme(e1,x1) & v_gather(e1) & n_people(x1))
exists p1 x1.(n_people(x1) & exists x2.(at(x1,x2) & n_banquet(x2)))