kaircu'a lujvo

x1 chooses/selects x2 from x3 (set) for purpose x4 (property).

Under one interpretation, cuxna2 must be a proposition and cuxna3 must be a set of propositions, meaning cuxna is more similar to "decide". This word is equivalent to "cuxna lo du'u ckaji", and allows us to avoid implicit sumti raising with cuxna.