On gloss:

banfu'o'i in sense "Foi language"
x1 is the language with ISO 639-3 code “foi” (Foi).

On grammatical class:

foi
terminator: end composite lerfu; never elidable.

In definition:

cmavrfoi
x1 is the selma'o "FOI".

In notes:

burfava
x1 is a part of Lojban text representing rule 'lerfu-word' according to the first edition of the book 'The Complete Lojban Language'.