With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Leonardo da Vinci has been considered the father of paleontology.
text_B: Luis Federico Franco Gomez -LRB- born 24 July 1962 -RRB- is a Paraguayan politician who was President of Paraguay from June 2012 until August 2013 .. President of Paraguay. President of Paraguay. Paraguay. Paraguay. A member of the Authentic Radical Liberal Party -LRB- PLRA -RRB- , he was elected as Vice President of Paraguay in the 2008 presidential election as the running mate of Fernando Lugo ; he took office in August 2008 .. President of Paraguay. President of Paraguay. Fernando Lugo. Fernando Lugo. Vice President of Paraguay. Vice President of Paraguay. Paraguay. Paraguay. Authentic Radical Liberal Party. Authentic Radical Liberal Party. 2008 presidential election. Paraguayan general election, 2008. Following Lugo 's impeachment by the Senate on 22 June 2012 , he succeeded Lugo as President to complete the presidential mandate until 15 August 2013 .. Franco is a surgeon by profession .. He is the brother of Julio Cesar Franco , senator and former chairman of Authentic Radical Liberal Party , and also a former Vice President .. Authentic Radical Liberal Party. Authentic Radical Liberal Party. Julio Cesar Franco. Julio Cesar Franco. Federico Franco is also former chairman of PLRA and was Governor of Central Department from 2003 to 2008 .. Central Department. Central Department
not_related.