Sentence 1: Hague 'concerns over conduct' of Zimbabwe election

 Sentence 2: Zimbabwe: 'Grave Concerns' Over Election

From 0 to 5 (0="no meaning overlap" and 5="means the same thing"), how similar are the two sentences?

Pick from: (I) 0. (II) 1. (III) 2. (IV) 3. (V) 4. (VI) 5.
(IV)