Rate the similarity of the following two sentences on a scale from 0 to 5, where 0 is "no meaning overlap" and 5 is "means the same thing"?

russia had threatened several times to withdraw from the cfe when it was at odds with the united states over u.s. plans to install a missile defense shield in eastern
russia has repeatedly threatened withdrawal from the cfe in opposition to plans for the extension of the us missile defense shield to eastern europe.
5