How similar are these two sentences, on a scale from 0-5 (0 is "not similar" and 5 is "very similar")?

Georgians vote for new president
Ally of Georgia's billionaire PM to be president -exit polls

Choose your answer from: [I] 0. [II] 1. [III] 2. [IV] 3. [V] 4. [VI] 5.
[IV]