With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The gray wolf is at least 12,500 years old.
text_B: Judah and 16th Avenue is a station on the San Francisco Municipal Railway light rail network 's N Judah line .. San Francisco Municipal Railway. San Francisco Municipal Railway. N Judah. N Judah. It is located in the Sunset District neighborhood .. Sunset District. Sunset District, San Francisco, California
not_related.