Based on the content observed in the initial part of the README.md file, there seems to be an issue related to the hint provided. Here are the identified issues based on the hint given concerning missing German and Italian language tags in the language list in README.md:

1. **Issue: Missing German and Italian language tags**
   - **Evidence:** `language:\n- ar\n- bg\n- en\n- es\n- ro`
   - **Description:** According to the hint, it is expected that the dataset should include language tags for German and Italian. However, in the "language" section of the README.md file, tags for German (`de`) and Italian (`it`) are missing. This is an omission that needs to be addressed to accurately reflect the multilingual nature of the dataset.

Let's continue to examine the `dataset_infos.json` file for similar or related issues.The content provided from the `dataset_infos.json` file seems to be a legal notice or copyright information and does not directly address the structure or content specific to our dataset, particularly language tags. This might not be the most relevant section for our concern. However, given the nature of the file, it might contain language-specific details concerning the dataset elsewhere in the document. Without further context, we cannot pinpoint any issues related to the languages from this section.

Let's proceed to review the `qa4mre.py` file, although language issues are less likely to be explicitly defined in a Python script. However, it could contain comments or references to the languages involved in the dataset.The content snippet provided from the `qa4mre.py` file indicates it includes JSON structured data or comments, not the actual code. It mentions specific dataset editions like `"2011.main.DE"`, which suggests the dataset might include German language samples, as "DE" is commonly used as a language code for German.

From this brief preview, we cannot specifically find comments on languages involved in the dataset directly related to our task. Still, this reference suggests there might be confusion or inconsistency within the provided documentation and files regarding the language support, especially for German and Italian, as mentioned in the hint.

Since the displayed content does not allow us to identify further issues directly, we will summarize our findings based on the `README.md` file and provide general insights based on the structure of `qa4mre.py`.

**Summary of Identified Issues:**

1. **Issue: Missing German and Italian language tags in README.md**
   - **Evidence:** `language:\n- ar\n- bg\n- en\n- es\n- ro`
   - **Description:** The README.md file does not list German (`de`) and Italian (`it`) among the languages supported by the dataset, although the hint suggests these languages should be included. Given the structure of `qa4mre.py`, it's conceivable these languages are part of the dataset (e.g., `"2011.main.DE"` suggests German). This omission might lead to confusion regarding the dataset's multilingual nature and coverage.

Without a comprehensive review of the `dataset_infos.json` and complete `qa4mre.py` files, we cannot detail further specific issues related to the hint. However, the main discrepancy lies within the documented language coverage in the README.md file.