Two guys and a girl smiling.
Some people are happy.
Two guys and a girl are some people.
exists e1 s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & Actor(e1,x3) & v_smile(e1) & (x2 = x3) & n_girl(x2) & subset_of(x1,s1) & n_guy(x1) & card_eq_2(x1))
exists s1 x1.(Theme(s1,x1) & a_happy(s1) & n_people(x1))