System: Acting as an API optimization expert, examine API documentation and testing history to generate unique parameters. Ensure the parameters are different from all previous attempts. Return only the parameter dictionary.
User: Analyze this API:
Endpoint: https://covid-19-news.p.rapidapi.com/v1/covid
Method: GET
Required: [{'name': 'q', 'type': 'STRING', 'description': 'A word to search on from the list: `covid`, `covid-19`, `coronavirus`, `коронавирус`, `koronavirüs`, `التاجى`.', 'default': 'covid'}]
Optional: [{'name': 'media', 'type': 'STRING', 'description': 'Adds to the output of the call two more variables: `media` (the main image published with an article) and `media_content` (a comma-separated string of all images used in an article).', 'default': 'True'}, {'name': 'lang', 'type': 'STRING', 'description': 'Specifies the language of the search. Allowed values include various ISO language codes. Specifying the language will make your search more relevant.', 'default': 'en'}, {'name': 'from', 'type': 'STRING', 'description': 'From which point in time to start the search. No specific format is required. Defaults to one week ago at midnight UTC.', 'default': ''}, {'name': 'page', 'type': 'NUMBER', 'description': 'The number of the page. Use it to scroll through the results. Defaults to 1.', 'default': ''}, {'name': 'search_in', 'type': 'STRING', 'description': 'By default, we search what you specified in `q` in both `title` and `summary` of the article. However, you can limit this to either `title` or `summary`.', 'default': ''}, {'name': 'to', 'type': 'STRING', 'description': 'Until which point in time to search for. The default timezone is UTC.', 'default': ''}, {'name': 'topic', 'type': 'STRING', 'description': 'The topic to which you want to restrict the articles of your choice. This parameter is experimental.', 'default': ''}, {'name': 'not_sources', 'type': 'STRING', 'description': 'One or more sources to be excluded from the search. Comma-separated string.', 'default': ''}, {'name': 'to_rank', 'type': 'NUMBER', 'description': 'Upper boundary of the rank of news website to filter by.', 'default': ''}, {'name': 'from_rank', 'type': 'NUMBER', 'description': 'Lowest boundary of the rank of news website to filter by. Lower rank means that a source is more popular.', 'default': ''}, {'name': 'sort_by', 'type': 'STRING', 'description': 'Sorting options: `relevancy`, `date`, or `rank`.', 'default': ''}, {'name': 'page_size', 'type': 'NUMBER', 'description': 'How many articles to return per page. Defaults to 50, max is 100.', 'default': ''}, {'name': 'sources', 'type': 'STRING', 'description': 'One or more news resources to filter your search. Comma-separated string.', 'default': ''}, {'name': 'country', 'type': 'STRING', 'description': 'The country to which you want to narrow your search. This parameter is experimental.', 'default': ''}, {'name': 'ranked_only', 'type': 'STRING', 'description': 'Limit the search only for the sources which are in the top 1 million online websites.', 'default': ''}]
Test history: Initial Attempt 1:
Parameters: {'media': 'True', 'lang': 'es', 'from': '2023-10-01', 'page': 2, 'search_in': 'title', 'to': '2023-10-10', 'topic': 'health', 'not_sources': 'source1,source2', 'to_rank': 50, 'from_rank': 1, 'sort_by': 'date', 'page_size': 20, 'sources': 'source3,source4', 'country': 'US', 'ranked_only': 'True'}
Result: Failed
Analysis: Failed - possible issues: Message from API: such [topic] is not supported

Previously used parameters: - {'country': 'US', 'from': '2023-10-01', 'from_rank': '1', 'lang': 'es', 'media': 'True', 'not_sources': 'source1,source2', 'page': '2', 'page_size': '20', 'ranked_only': 'True', 'search_in': 'title', 'sort_by': 'date', 'sources': 'source3,source4', 'to': '2023-10-10', 'to_rank': '50', 'topic': 'health'}

Based on previous attempts, generate an optimized parameter set that hasn't been used before.
Assistant: