With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Avatar: The Last Airbender is an American Book series.
text_B: Health  :  : Disco2 is a remix album by American noise rock band Health .. Health. Health ( band ). remix album. remix album. noise rock. noise rock. It features remixes of songs from the album Get Color by various artists , as well as one new track by Health .. Health. Health ( band ). Get Color. Get Color
not_related.