Rate the similarity of the following two sentences
India and China troops retreat to de facto border in face-off deal
India says China agrees retreat to de facto border in faceoff deal

4

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the afghanistan-iran border region has been the scene of frequent clashes between police and drug smugglers.
the area near town of mirjaveh has been the scene of frequent conflicts between iranian police and drug smugglers.

4

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Ballmer has been vocal in the past warning that Linux is a threat to Microsoft.
In the memo, Ballmer reiterated the open-source threat to Microsoft.
3