Lots of people in a restaurant eating and talking.
The people are having a dinner meeting
eating and talking at meals does not mean it is a meeting
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x5) & Actor(e1,x6) & v_talking(e1) & (x5 = x6) & n_people(x5) & of(x1,x2) & in(x2,x3) & n_eating(x3) & of(x3,x4) & n_restaurant(x4) & n_people(x2) & n_lot(x1))
exists e1 x1 x2 x3.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_meeting(x2) & of(x2,x3) & n_dinner(x3))