A group of men and women eating and drinking.
People are dining together.
Eating and drinking describes dining.
exists x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & of(x1,x2) & n_drinking(x7) & n_eating(x6) & subset_of(x7,x4) & subset_of(x6,x4) & of(x4,x5) & n_woman(x5) & n_man(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_group(x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_dine(e1) & n_people(x1))