A youthful race against 2 asian kids.
Kids are racing each other.
Both sentences imply that a group of kids are racing each other.
exists s1 s2 x1 x2.(a_topic(x1) & against(x1,x2) & n_kid(x2) & a_asian(s2) & Theme(s2,x2) & n_date(x2) & a_date_day_02(x2) & a_date_day_02(x2) & n_race(x1) & a_youthful(s1) & Theme(s1,x1))
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_race(e1))) & n_kid(x1))