With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Miranda Cosgrove is an American singer.
text_B: Pierre Rameau -LRB- 1674 -- 26 January 1748 -RRB- , was the French dancing master to Elisabetta Farnese , and the author of two books that now provide us with valuable information about Baroque dance .. Elisabetta Farnese. Elizabeth Farnese. Baroque dance. Baroque dance. Rameau 's first book , Le Maitre a Danser -LRB- 1725 , Paris -RRB- , was a dance manual giving instruction on formal ballroom dancing in the French style .. The first part covers posture , reverences , steps , and the ballroom minuet , while the second part is concerned entirely with the use of the arms .. minuet. minuet. His second book , Abbrege de la Nouvelle Methode -LRB- c1725 , Paris -RRB- , described a modified version of Beauchamp-Feuillet notation and included several choreographies by Pecour in the new notation .. Beauchamp-Feuillet notation. Beauchamp-Feuillet notation. Pecour. Louis-Guillaume Pecour. While Rameau 's notation was not generally adopted , his information about the shortcomings of Beauchamp-Feuillet notation provides dance historians with clarifications about the execution of the steps .. Beauchamp-Feuillet notation. Beauchamp-Feuillet notation
not_related.