Here is the full hand. I played a club at trick two and the contract made. My reasoning was similar to many of the posts in this thread. Unfortunately this was not successful at the table, and it was somewhat sad that partner found the only lead which can defeat the contract (a lead I likely would not have made, sitting north) and yet it came to nothing.
It's also interesting to me that a particular argument against passive leads (partner might not find the right switch, so they are not as good as they appear double-dummy) seems to have struck here on a quite aggressive lead.

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