(C79) [閃光カンパネラ (春雛紫)] 少女蜜室 ～魔法少女パチュリー～ (東方Project)
#87309 - Can you tell if that is a son of a beech or a son of a birch? The woodpecker takes a taste of the small tree and replies: It is neither a son of a beech nor a son of a birch. Two tall trees, a birch and a beech, are growing in the woods. The beech says to the birch: Is that a son of a beech or a son of a birch? The birch says it cannot tell.