With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dean Martin was a movie producer.
text_B: The Portland Guardian was a weekly newspaper published between 1842 and 1964 in the seaport town of Portland , Victoria , Australia .. weekly newspaper. weekly newspaper. Portland. Portland, Victoria. Victoria. Victoria ( Australia ). Australia. Australia. It was known as the Portland Guardian and Normanby General Advertiser from 1842 to 1876 .. Portland. Portland, Victoria. It was founded by Thomas Wilkinson and James Swords and was the second newspaper to be launched in country Victoria .. Victoria. Victoria ( Australia ). Thomas Wilkinson. Thomas Wilkinson ( Australian politician ). It was eventually absorbed by local rival Portland Observer with the final issue appearing on 26 March 1964 .. Portland. Portland, Victoria
not_related.