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User.45
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Ah, the english language. Sometimes I feel its main purpose is to perpetuate ambiguity.Serial comma - Wikipedia
en.wikipedia.org
It's just a joke about the Oxford (or serial) comma, i.e., the one before the word "and" in a series.
Some say a serial comma clarifies status of the last item versus the previous one(s). Others say it's just excess baggage. It all depends on what's in the series and possibly on how those items are qualified. In the case of that joke, that last comma is pretty useless if you ask me. But there are cases where it does resolve ambiguity.
An apocryphal book dedication is given in the wiki explanation. The second form has the serial comma.
To my parents, Ayn Rand and God.To my parents, Ayn Rand, and God.
Serial comma - Wikipedia
en.wikipedia.org
Sometimes a comma has been the focus of court cases. I'm not talking about the one in the Second Amendment either.
An Oxford comma changed this court case completely | CNN
If you have ever doubted the importance of the humble Oxford comma, let this supremely persnickety Maine labor dispute set you straight.www.cnn.com