With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adele sings the song "Hello."
text_B: This article presents a list of the historical events and publications of Australian literature during 1947 .. For an overview of world literature see 1947 in literature .. 1947 in literature. 1947 in literature. See also  :. 1946 in Australian literature ,. 1946 in Australian literature. 1946 in Australian literature. 1947 in Australia ,. 1947 in Australia. 1947 in Australia. 1948 in Australian literature .. 1948 in Australian literature. 1948 in Australian literature
not_related.