A man and two women are sitting in the grass.
Three young people are sitting in the grass.
Not all of them are young. They can be old.
exists e1 x1 x2 x3.(n_grass(x3) & in(e1,x3) & Actor(e1,x1) & v_sit(e1) & n_woman(x1) & card_eq_2(x1) & of(x1,x2) & n_man(x2))
exists e1 s1 x1 x2.(n_grass(x2) & in(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))