easy of course chicken first
5 ]8 |) _2 M( p" y, Jtvb now,tvbnow,bttvbchicken can make egg, but nothing can make chicken egg.
6 _$ I6 |" t2 V, y5 Y( v' K1 ysomething can change to chicken, but nothing can change to chicken egg, it mush born by chiken |