function getReply(language, intent, context = new ConversationContext()) {
  const text = this.nlpManager.findAllAnswers(language, intent);
  if (text.length === 0) {
    throw new NotFoundError(`Answer with intent ${intent} and language ${language} not found`);
  }
  return Handlebars.compile(text[0].answer)(context);
}
@description Get the reply for a given intent.
@param {string} language - The language of the message.
@param {string} intent - The intent of the message.
@param {object} context - The context of the conversation.
@returns {string} - Return a text.
@example
brain.getReply('en', 'light.turn-on.success');