text: module.exports = function getSeason(date) {
  
    if (arguments.length < 1) {
      return 'Unable to determine the time of year!';
    } else {
      if (Object.prototype.toString.call(date) === '[object Date]') {
        if (date.getMonth() > 1 && date.getMonth() < 5) {
          return "spring";
        } else if (date.getMonth() > 4 && date.getMonth() < 8) {
          return "summer";
        } else if (date.getMonth() > 7 && date.getMonth() < 11) {
          return "fall";
        } else return "winter";
      } else {
        throw new Error();
      }
    }
  };
  