One young girl eats fruit while another eats chocolate.
Two young girls are eating together.
If there is one young girl and another young girl, there are two young girls.
exists e1 p1 s1 x1 x2.(exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_eat(e2) & n_chocolate(x4) & n_thing(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_fruit(x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_1(x1))
exists e1 p1 s1 x1.(exists s2.(Theme(s2,x1) & a_together(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_eat(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))