On gloss:

banbu'i'o in sense "Nai language"
x1 is the language with ISO 639-3 code “bio” (Nai).

On grammatical class:

nai
attached to cmavo to negate them; various negation-related meanings.
ja'ai
affirm last word: attached to cmavo to affirm them; denies negation by nai whenever it is applicable.

In definition:

cmavrnai
x1 is the selma'o "NAI".

In notes:

narprugastcica
x1 (event) causes jamais-vu to x2 (person) using sense x3 under conditions x4
le'ai
replace recent mistakenly uttered text
zai'a
attitudinal modifier: observed emotion; preceding attitudinal is observed on listener
ifle
if x1 (proposition) is true then x2 (event) happens else x3 (event) happens