With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gang Signs & Prayer is an album by a trip hop artist.
text_B: Lettre a M. Dacier -LRB- full title  : Lettre a M. Dacier relative a l'alphabet des hieroglyphes phonetiques  : `` Letter to M. Dacier concerning the alphabet of the phonetic hieroglyphs '' -RRB- is a scientific communication in the form of a letter sent in 1822 by egyptologist Jean-Francois Champollion to Bon-Joseph Dacier , secretary of the French Academie des Inscriptions et Belles-Lettres .. egyptologist. Egyptology. Jean-Francois Champollion. Jean-Francois Champollion. Bon-Joseph Dacier. Bon-Joseph Dacier. Academie des Inscriptions et Belles-Lettres. Academie des Inscriptions et Belles-Lettres. it is the founding text upon which Ancient Egyptian hieroglyphics were first systematically deciphered by Champollion , largely on the basis of the multilingual Rosetta Stone .. Ancient Egyptian. Ancient Egypt. hieroglyphics. hieroglyphics. Rosetta Stone. Rosetta Stone
not_related.