How can I find BASE priority (severity) levels for alerts?

I'm in the middle of doing my homework, and I have to answer some questions on something I'm doing in BASE (basic analysis and security engine). One of the questions is

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What is the priority (severity) level of both alerts? (Enter a number here)

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I'm looking at the unique alert page, but I don't see anything on the levels. 1 alert's classification is policy-violation and another is protocol-command-decode. I looked online and I can't find anything on this. The answer is looking for some number

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Where can I find the priority (severity) level?

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When looking into the alerts this is a pretty good example of what I see. http://cs.uccs.edu/~cs591/hw/hw5/baseReportRajshri.html

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On the main alert page I'm only seeing the signature, classification, total, sensor, source address, dest address, first time, and last time.

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I did a bit more digging and I think I found it. http://manual-snort-org.s3-website-us-east-1.amazonaws.com/node31.html

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Crtl+F the classification

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Can someone confirm if I'm right?