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.
Utilize the input text as a context reference, choose the right relationship between 'Independent Greeks' and 'Panos Kammenos' from the options.
Options: chairperson, position held, original broadcaster, chief executive officer