With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brigitte Macron is only the son of Emmanuel Macron.
text_B: The Orioles were a successful and influential American R&B group of the late 1940s and early 1950s , one of the earliest such vocal groups who established the basic pattern for the doo-wop sound .. R&B. Rhythm and blues. American. United States. doo-wop. doo-wop. The Orioles are generally acknowledged as R&B 's first vocal group .. R&B. Rhythm and blues. Baltimore natives , they blended rhythm with group harmonies .. Baltimore. Baltimore. Dubbing themselves after Maryland 's state bird , the Orioles started the trend of bird groups -LRB- The Cardinals , The Crows , The Flamingos , The Larks , The Penguins , The Ravens , The Wrens , etc. -RRB- .. Maryland. Maryland. The Cardinals. The Cardinals. The Crows. The Crows. The Flamingos. The Flamingos. The Larks. The Larks. The Penguins. The Penguins. The Ravens. The Ravens. The Wrens. The Wrens ( R&B band ). They brought their winning formula to their first charted hit `` It 's Too Soon To Know '' ; a # 1 record in November 1948 , soon followed by the group 's second hit , '' -LRB- It 's Gon na Be A -RRB- Lonely Christmas '' , in December that same year .
not_related.