Explore the filtering options on the search results page for 'Geschichte'. Specifically, identify how to filter for 'Frei verfügbar' (Freely available) content, and then apply this filter. Report the number of results after applying the 'Frei verfügbar' filter, and identify the first freely available article listed.
Navigate to 'https://www.digizeitschriften.de/'. Enter 'Geschichte' into the search bar (ID 25) and submit the query (ID 26). On the search results page, locate the 'Zugang' (Access) filter section. Click on the 'Frei verfügbar' (Freely available) checkbox (ID 683) to apply the filter. After the page reloads with the filter applied, identify and state the new total number of search results. Identify the title of the first article listed under the 'Frei verfügbar' filter that is indeed marked as 'Frei verfügbar'.
The agent successfully navigates to the search results page for 'Geschichte'. The agent successfully applies the 'Frei verfügbar' filter. The agent states the number of results after applying the 'Frei verfügbar' filter (e.g., 'X Objekte'). The agent identifies and states the title of the first article listed that is marked as 'Frei verfügbar' (e.g., 'Die Fürsorge für die mittelalterlichen Denkmäler in Griechenland').