Single/multi-select question: Do the following sentences say the same thing?

Top Diplomats Meet in Munich at Critical Time
Top Diplomats Discuss Iran's Nuclear Program

Return your answer on a scale from 0 to 5, where 0 is "not similar" and 5 is "very similar".


 (1). 0;
 (2). 1;
 (3). 2;
 (4). 3;
 (5). 4;
 (6). 5;
(3).