How similar are these two sentences, on a scale from 0-5 (0 is "not similar" and 5 is "very similar")?

Russian stocks fell after the arrest last Saturday of Mikhail Khodorkovsky, chief executive of Yukos Oil, on charges of fraud and tax evasion.
The weekend arrest of Russia's richest man, Mikhail Khodorkovsky, chief executive of oil major YUKOS, on charges of fraud and tax evasion unnerved financial markets.
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