restrictive relative phrase marker: which is specific to ...; normal possessive physical/legal.
For those who choose to use a Lojban standard that includes the jboponei dialect, po'au and nei'ei can be used to recover the original po and nei words. To avoid confusion, after using jboponei in your Lojban, you may say «goi'ai jboponei». See also: lo'u'a (pre-xorlo lo).