{"version":"1.0","type":"rich","title":"activity-7.1","description":"A line chart visualizes car prices by brand, with the area beneath the curve filled in a translucent blue to emphasize price variation across brands. The chart is rendered using Chart.js within an HTML5 canvas, fetching comma-separated data from an external gist URL via the Fetch API. D3.v6 is loaded in the page but not directly used for rendering; instead, Chart.js handles the axes, tooltips, and responsive scaling, with the x-axis labeled \"Brand\" and the y-axis labeled \"Price.\"","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/ef36cf81a333425cb3d87bcd0333b274?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}