Three people are smiling while having food and drinks.
There are three people smiling and eating.
Having food implies that they are eating.
exists e1 e2 x1 x2 x3 x4.(while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & subset_of(x4,x2) & n_drink(x4) & subset_of(x3,x2) & n_food(x3) & Actor(e1,x1) & v_smile(e1) & n_people(x1) & card_eq_3(x1))
exists p1 x1 e1 e2 x2 x3 x4.((x1 = x2) & Actor(e2,x4) & v_eat(e2) & (x2 = x4) & Actor(e1,x3) & v_smile(e1) & (x2 = x3) & n_people(x2) & card_eq_3(x2))