With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bal Gangadhar Tilak's birthday was July 23.
text_B: The Dauphin Hotel was an establishment located on the west block front of Broadway between 66th Street and 67th Street .. Broadway. Broadway ( Manhattan ). 66th Street. 66th Street ( Manhattan ). In 1958 , the ballroom of the hotel was behind Julia Murphy 's Bar .. The Dauphin Hotel was demolished as part of the excavation for the Lincoln Center for the Performing Arts .. Lincoln Center for the Performing Arts. Lincoln Center for the Performing Arts. By 1964 , the site was taken by the Empire Mutual Insurance Group building .. This edifice also occupied the space where the Marie Antoinette Hotel previously stood .. Marie Antoinette. Marie Antoinette
not_related.