Three people in sunglasses are sitting down and eating or drinking.
Three friends are meeting for lunch.
Not all people are friends.
exists e1 p1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & subset_of(x5,x2) & (n_eating(x5) | n_drinking(x5)) & subset_of(x3,x2) & exists s1.(Theme(s1,x4) & a_down(s1)) & Topic(e1,p1) & Actor(e1,x4) & v_sit(e1) & (x3 = x4) & n_sunglass(x3) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(for(e1,x2) & n_lunch(x2) & Actor(e1,x1) & v_meet(e1) & n_friend(x1) & card_eq_3(x1))