Three people are smiling while having food and drinks.
People are eating and drinking
Eating and drinking rephrases having food and drinks.
exists e2 e1 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 s1 s2 x1 x2.(Theme(s2,x2) & a_drinking(s2) & n_people(x2) & Theme(s1,x1) & a_eating(s1) & n_people(x1))