Pick one of 2 to 255 labelled options. Jev answers with the label as an atom, plus a confidence and the probability of every option.
Labels are atoms; descriptions are text, a JSON-encodable map, or nil:
%Jev.Choice{
instructions: "What kind of issue is this?",
criteria: %{bug: "Something is broken", feature: "Request for new behavior", other: nil}
}