You have a Microsoft 365 tenant that uses trainable classifiers. You are creating a custom trainable classifier. You collect 300 sample file types from various geographical locations to use as seed content. Some of the file samples are encrypted. You organize the files into categories as shown in the following table. 

Which file categories can be used as seed content? 

Answer options:

A. Category2, Category3, and Category5 only
B. Category1 and Category3 only
C. Category4 and Category6 only
D. Category4 and Category5 only

C

Reference: https://docs.microsoft.com/en-us/microsoft-365/compliance/classifier-get-started-with?view=o365-worldwide https://docs.microsoft.com/en-us/sharepoint/technical-reference/default-crawled-file-name-extensions-and-parsed-file-types