It seems there was an error reading the markdown file due to a Unicode decoding issue. This can sometimes happen with files containing special characters not encoded in UTF-8. 

I will attempt to read the file again with an encoding format that might be more accommodating to such characters. Let's try that next.It appears that I mistakenly tried to read a PDF file (`file-FKft1hC6m1Nu7z0gfOstx2CN`) as a markdown file. The content output suggests it's encoded in PDF format, not plaintext as expected for markdown. This error occurred due to the incorrect assumption about the file type based on the initially provided instruction.

Given this realization, let's correctly identify and read the markdown and PDF files with appropriate processing for each type. To achieve this, I will first verify the other uploaded file to ensure its format and rectify the mistake by identifying the markdown file correctly. Let's proceed with checking the content of the other uploaded file.The second file appears to be an HTML document containing dataset information, specifically about the "GLUE" benchmark dataset. This rules out our initial assumption about the presence of a markdown file; instead, we have one PDF and one HTML document. 

Given the provided hint revolves around "incorrect information about a data range in a markdown file," and neither of the files are in markdown format, we face a limitation in directly applying the hint as intended. However, to still provide value and check for potential inconsistencies related to data ranges, I'll proceed with extracting text from the PDF file, which might include relevant dataset descriptions or metadata, as markdown information could have been converted to PDF format.

Let's extract the text from the PDF file and investigate if there are any data range inaccuracies or other related issues.The extracted text from the PDF document mentions details about a study or workshop focused on Semantic Textual Similarity (STS), including its applications, participation details, and the introduction of a benchmark. However, without direct reference to data ranges or the inconsistency concerning data ranges as hinted, we cannot conclusively identify a specific issue related to the provided hint.

Given the limitations of the documents at hand and the hint provided, the following suggestions are made for addressing potential dataset review processes:

1. For PDFs similar to this one focusing on academic papers or studies, reviewing the methodology, dataset descriptions, and results sections could reveal inconsistencies with claimed data ranges or benchmarks.
2. Considering the HTML document, though not directly applicable here, checking metadata or dataset descriptions for range inconsistencies would also be a relevant approach if we were provided with textual descriptions or markdown content.

Without explicit information about data ranges in the content I reviewed, I cannot formulate an issue directly applicable to the given hint. Further, more specific inquiries or additional documents might be needed for more targeted analysis.