Those who want to accept the bailout terms and turn the clock back 12 months will be disappointed — if Greece votes "Yes" Alexis Tsipras will still be Prime Minister, and Syriza currently has no plausible opposition.
Analyze the relationship between 'Syriza' and 'Alexis Tsipras' within the context of the input sentence.
Options: product/material produced, chairperson, brand, developer