With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Isle of Man used to be ruled by a Scandinavian country.
text_B: `` Hold On '' is a song by Australian twin sisters Nervo .. Nervo. Nervo ( duo ). The single was released digitally on 9 April 2013 and is included on their 2015 album , Collateral .. Collateral. Collateral ( album ). Two additional remix Extended Plays were released in May and June 2013 .. `` Hold On '' peaked at number one of the Hot Dance Club Songs in the United States for the week commencing June 22 , 2013 .. Hot Dance Club Songs. Hot Dance Club Songs. This is the girls first number 1 song on any chart .
not_related.