Three children are sorting our a large quantity of green apples.
Siblings are going through apples to find the best ones for a pie.
Not all children are siblings. Just because children are sorting through a large quantity of apples does not mean that they are trying to find the best ones for a pie.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_sort(e1) & of(x2,x3) & n_apple(x3) & a_green(s2) & Theme(s2,x3) & n_quantity(x2) & a_large(s1) & Theme(s1,x2) & of(x2,x1) & n_person(x1) & n_child(x1) & card_eq_3(x1))
exists e1 p1 s1 x1 x2 x3 x4.(n_one(x4) & r_most(s1) & a_good(s1) & Theme(s1,x4) & Topic(e1,p1) & exists e2 x5.(Theme(e2,x4) & Actor(e2,x1) & v_find(e2) & for(x4,x5) & n_pie(x5)) & through(e1,x3) & n_apple(x3) & Actor(e1,x2) & v_go(e1) & n_sibling(x2) & n_sibling(x1))