With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Big Bang released Remember and Number 1 in the same year.
text_B: Irvin David Yalom -LRB- born 13 June 1931 -RRB- is an American existential psychiatrist who is emeritus professor of psychiatry at Stanford University , as well as author of both fiction and nonfiction .. Stanford University. Stanford University. existential. existential therapy. psychiatrist. psychiatrist. psychiatry. psychiatry
not_related.