With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cersei Lannister is in the Indian government.
text_B: Your Pilot 's License is a book published in 2003 by Jerry A. Eichenberger .. It was published by McGraw Hill as part of the Practical Flying Series .. McGraw Hill. McGraw Hill. The book details aspects of training , such as practice maneuvers and cross country planning .. It is written in a Laymen 's style for beginners to aviation .. Laymen. Laymen
not_related.