With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: One of the world's largest football stadiums is in Rio de Janeiro.
text_B: Streetly railway station was a station on the Midland Railway in England .. Streetly. Streetly. Midland Railway. Midland Railway. England. England. It was opened in 1879 and closed in 1965 , although the track through the station is still in use for freight .. It was located on the corner of Foley Road and Thornhill Road .. There was a booking office and a ladies ' waiting room located on the Birmingham-bound platform , whilst the Walsall-bound platform had a signal box upon it .. Walsall. Metropolitan Borough of Walsall
not_related.