With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Marvel Cinematic Universe's first film was 2008's Iron Man starring Robert Downey Jr.
text_B: Motor Vessel Kalakala -LRB- pronounced -LSB- kəˈlɑːkəˌlɑː -RSB- -RRB- was a ferry that operated on Puget Sound from 1935 until her retirement in 1967 .. ferry. ferry. Puget Sound. Puget Sound. MV Kalakala was notable for her unique streamlined superstructure , art deco styling , and luxurious amenities .. art deco. art deco. The vessel was a popular attraction for locals and tourists , and was voted second only to the Space Needle in popularity among visitors to Seattle during the 1962 Seattle World 's Fair .. Space Needle. Space Needle. Seattle. Seattle. The ship is known as the world 's first streamlined vessel for her unique art deco styling .. art deco. art deco. streamlined vessel. streamliner
not_related.