nun pe'i lujvo

x₁ is a meeting between x₂ and x₃ at/in location x₄.

In notes:

jdijmaji: jd₁=jm₁ assemble/meet/gather/[form a caucus] to make decision(s) jd₂ (du'u) about matter jd₃ (event/state) at location jm₂.
nunjmaji: x₁ is a gathering/meeting/assembly/conclave/conference/ congregation/congress/convention/encounter/get-together/reunion of participants x₂ at location x₃ from locations x₄.