Left-wing Syriza party leader Alexis Tsipras, left, waves to his supporters as leader of the right-wing Independent Greeks party Panos Kammenos makes the victory sign after his general election victory, at Syriza's party’s main electoral center in Athens, Sunday, Sept. 20, 2015.
Analyze the relationship between 'Independent Greeks' and 'Panos Kammenos' within the context of the input sentence.
Options: original broadcaster, position held, chief executive officer, chairperson