Original sentence: Ethnographic studies in the 1980s and analysis in the 1990s by Oestreicher of Rafinesque's manuscripts have produced opinion that the document is a hoax.The document was published in the 1830s by botanist and antiquarian Constantine Samuel Rafinesque
Edited sentence: Ethnographic studies in the 1980s and analysis in the 1990s of Rafinesque's manuscripts have produced significant evidence that the document is a hoax.The document has provoked controversy as to its authenticity since its publication in the 1830s by botanist and antiquarian Constantine Samuel Rafinesque