Seriously? The word "but" implies the continuation of the previous thought, which is why I asked you to clarify.
She told me that it is true, the certificate is valid until 12/2012. But here is the "Red Flag"...
From Wikipedia: "In grammar, a conjunction (abbreviated conj or cnj) is a part of speech that connects two words, sentences, phrases or clauses together."
"but: presents a contrast or exception ('They gamble, but they don't smoke.')"
I'm not sure why you are getting so defensive. They way you wrote that was confusing so I asked you to clarify...sheesh.
Never argue with a fool, onlookers may not be able to tell the difference. -MT