Sentence 1: But the prime minister told the BBC he wasn't bothered by polls and that he would continue to do what he believed to be right.

Sentence 2: He said he wasn't bothered by polls and that he would continue to do what he believed to be right, in both foreign and domestic policy.

From 0 to 5 (0="no meaning overlap" and 5="means the same thing"), how similar are the two sentences?
3