With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Selene serves as the central character in a horror film based on a story.
text_B: RS-1 can refer to  :. ALCO RS-1 , a 4-axle diesel-electric locomotive built by Alco-GE and later by Alco alone .. ALCO RS-1. ALCO RS-1. K-5 -LRB- missile -RRB- , also known as RS-1U or product ShM , an early Soviet air-to-air missile .. The Reid and Sigrist R.S. 1 , a British twin-engined , three-seat advanced trainer developed during World War II .. Retinoschisin , a protein that in humans is encoded by the RS1 gene .. Retinoschisin. Retinoschisin. Ross RS-1 Zanonia , a single seat , gull-winged glider .. Ross RS-1 Zanonia. Ross RS-1 Zanonia. RS-1 , an Indian satellite in the Rohini -LRB- satellite -RRB- series .. -LRB- 7080 -RRB- 1986 RS1 , generally written as -LRB- 7080 -RRB- 1986 RS1 , a main-belt minor planet .. Sikorsky S-41 , an amphibious flying boat airliner designated by the U.S. Navy as RS-1 .. Sikorsky S-41. Sikorsky S-41. Stadler Regio-Shuttle RS1 , a diesel railcar manufactured by Stadler Rail AG .. Stadler Regio-Shuttle RS1. Stadler Regio-Shuttle RS1. Goodyear RS-1 America 's first semi-rigid airship .. Goodyear RS-1. Goodyear RS-1. RS / 1 , statistical software from Bolt , Beranek and Newman
not_related.