With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Attack on Titan is a Japanese cartoon.
text_B: Giles Goat-Boy -LRB- 1966 -RRB- is the fourth novel by American writer John Barth .. John Barth. John Barth. It is metafictional comic novel in which the world is portrayed as a university campus in an elaborate allegory of the Cold War .. Cold War. Cold War. Its title character is a human boy raised as a goat , who comes to believe he is the Grand Tutor , the predicted Messiah .. Messiah. Messiah. The book was a surprise bestseller for the previously obscure Barth , and in the 1960s had a cult status .. It marks Barth 's leap into American postmodern Fabulism .. postmodern. Postmodern literature
not_related.