I agree with you, but I think he didn't say he's not sure...
Nevermind, this is not the topic after all.
Moderators, please delete all post that are not related to the topic, we don't want to confuse anybody... Thanks!
Would members please remember that it is extremely discourteous to comment adversely on another member's standard of English, or to tell other members whether they can or can't answer questions here.
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