Rate the similarity of the following two sentences
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.

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5

Rate the similarity of the following two sentences
-Not- talking about it 'and' -Not- doing anything.
is even worse than talking about it and not doing anything.

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3

Rate the similarity of the following two sentences
Kenyan police arrest key Al-Shabaab recruiter, financier
Kenya: Pair Arrested By Anti-Terror Police

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3