ATHENS, Sept 1 Greece's Syriza party will scrap a value added tax on private education if voted back to power in a snap election in September, a party statement said on Tuesday evening, as its leader Alexis Tsipras campaigned on the island of Crete.
What is the relationship between 'Syriza' and 'Alexis Tsipras' in the context of the input sentence.
Options: headquarters location, brand, chairperson, position held