Briand endpoint (pseudocode)

predict_cd.js

function predict_cd(options = {}) {
  if(!options.cause) {
    return Error("c'mon, you need at least a cause!");
  }
  cause = options.cause;
  // optional to increase % confidence
  gender = options.gender || null;
  age = options.age || null;
  pet_name = options.pet_name || null;
  // do your magic
  diagnostic_nn.predict(cause, gender, age, pet_name, ...)
}