A group of people sitting around a table eating a meal.
A group of family members is having a feast.
People eating together does not mean they are family.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & for(e1,e2) & Theme(e2,x5) & Actor(e2,x3) & v_eat(e2) & n_meal(x5) & around(e1,x4) & n_table(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_have(e1) & n_feast(x4) & of(x1,x2) & n_member(x2) & of(x2,x3) & n_family(x3) & n_group(x1))