VUhO (http://www.lojban.org/en/publications/reference_grammar/chapter8.html)

A mechanism for attaching relative clauses or phrases to a whole (possibly
connected) sumti, rather than simply to the leftmost portion of the sumti.

la frank. ce la djordj. vu'o noi gidva cu zvati le kumfa Frank [in-set-with]
George, which are-guides, are-in the room. Frank and George, who are guides, are
in the room.

