how should you find the outliers of a log entry?

Using the Log Analytics service, how should you find the outliers of a log entry?

A.
Run the query for specific error message in search bar and sort the least number of entries.

B.
Run the * | cluster command in the search bar and find the least number of cluster entries.

C.
Select the Histogram from the Visualize panel and search for error message.

D.
Select the Error in the Severity field and display it in the log record.

Explanation:
https://docs.oracle.com/en/cloud/paas/management-cloud/logcs/example-scenario-detectinganomalies-using-outliers.html