Several children stand around in pink ballerina tutu outfits.
A group of young people stand around each other.
children are young people. If they are standing around, it follows that they are standing around each other.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4.(in(e1,x2) & Actor(e2,x4) & v_outfit(e2) & (x2 = x4) & n_tutu(x2) & of(x2,x3) & n_ballerina(x3) & a_pink(s3) & Theme(s3,x2) & a_around(s2) & Manner(e1,s2) & Actor(e1,x1) & v_stand(e1) & n_child(x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(all x3.(n_other(x3) -> around(e1,x3)) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))