Complex sentence: Apparently, the Ministry forced Mr Lovegood not to publish this claim, which is probably untrue anyway, as most people scoff at the unlikely and often outrageous stories which are published in "The Quibbler".
Split into simpler sentences: Apparently, the Ministry forced Mr. Lovegood not to publish this claim. The claim is probably untrue anyway, as most people scoff at the unlikely and often outrageous stories which are published in "The Quibbler".