Need help with conversation of mirrors

[PorkFilledBunny]

I followed the wiki but it won't give me no n1, also what does n1 and n2 mean?

 

[WolframL]

There are times when you'll have multiple options with the same name, n1/2 means you need to pick the first or second one respectively. If you pick the wrong options you don't get the information you need to open up some of the options that are required to progress, and have to back up a bit until you make the right choices in the right order.