With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Budapest is a city.
text_B: The Marin Street Station is a light rail station of the San Francisco Municipal Railway 's Muni Metro system located in the median of Third Street at Marin Street in Bayview , San Francisco , California .. Muni Metro. Muni Metro. light rail. light rail. San Francisco. San Francisco. California. California. San Francisco Municipal Railway. San Francisco Municipal Railway
not_related.