With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Bridges of Madison County is only a title of a book.
text_B: The General Aviation Design Bureau of Ukraine is a Ukrainian aircraft manufacturer based in Kiev .. Kiev. Kiev. Ukraine. Ukraine. Ukrainian. Ukraine. aircraft manufacturer. aircraft manufacturer. The company specializes in aerospace subcontract work , often for European and North American manufacturers .. subcontract work. Subcontractor. The organization has also designed and manufactured ultralight trikes , starting initially as a sub-contractor for designs like the T-2 Maverick for the western training market and then later producing the design under its own name .. T-2 Maverick. General Aviation Design Bureau T-2 Maverick. training. Trainer ( aircraft ). The T-2 has an unusual side-by-side configuration that makes it especially well suited for use as a trainer .. side-by-side configuration. side-by-side configuration. The General Aviation Design Bureau T-32 Maverick is an original design and noted as an unusual three-seat ultralight trike design , with a double rear seat for two passengers .. ultralight trike. ultralight trike. General Aviation Design Bureau T-32 Maverick. General Aviation Design Bureau T-32 Maverick
not_related.