The following relation schema can be used for online galleries. R = (id, title, url, date, gallery_name, gallery_description, artist_id, artist_name, artist_country) A picture is identified with a unique id. It has a title, an url storing the actual location and the date the picture was created. A picture is in a gallery with a unique gallery_name, and each gallery has its own description. A picture is created by an artist, with a unique artist_id, and an artist has a name and a born country.

The description above explains the attributes of the schema. Based on the relationship between attributes, write the functional dependencies F.