Three children are sitting in the grass surrounded by their parents.
A trio of young people are outside.
Trio is three. The grass is outside.
exists e2 e1 x1 x2 x3 x4.(n_parent(x4) & of(x4,x2) & n_thing(x2) & n_grass(x2) & in(e1,x2) & Actor(e2,x4) & Theme(e2,x3) & v_surround(e2) & (x2 = x3) & Actor(e1,x1) & v_sit(e1) & n_child(x1) & card_eq_3(x1))
exists s1 s2 x1 x2.(Theme(s2,x1) & a_outside(s2) & of(x1,x2) & n_people(x2) & a_young(s1) & Theme(s1,x2) & n_trio(x1))