With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Episodes of Sense8 were directed by frequent collaborators of the Wachowskis.
text_B: The Visby class is the latest class of corvette to be adopted by the Swedish Navy after the and corvettes .. corvette. corvette. Swedish Navy. Swedish Navy. Visby. Visby. The ship 's design heavily emphasizes low visibility , radar cross-section and infrared signature .. radar cross-section. radar cross-section. infrared signature. Infrared homing. The first ship in the class is named after Visby , the main city on the island of Gotland .. Visby. Visby. Gotland. Gotland. The class has received widespread international attention because of its capabilities as a stealth ship .. stealth ship. stealth ship. The ships are designed by Swedish Defence Materiel Administration -LRB- FMV -RRB- and built by Kockums AB .. Swedish Defence Materiel Administration. Swedish Defence Materiel Administration. Kockums AB. Kockums AB. The first ship of the class was launched in 2000 and since then the construction was fraught with repeated delays .. Finally in December 2009 , the first two ships of the class were delivered to the Swedish Navy by the FMV , albeit with greatly reduced operational capability .. Swedish Navy. Swedish Navy
not_related.