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"?

Amnesty International has said that over the past 20 years it has collected information about 17,000 disappearances in Iraq but the actual figure may be much higher.
Amnesty International said that over the past 20 years it had collected information about 17,000 disappearances in Iraq.
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