text: 'use strict';
  
  const checkForSpam = function(message) {
    const SALE = 'sale';
    const SPAM = 'spam';
    const loweredMessage = message.toLowerCase();
    if (loweredMessage.includes(SALE)) {
      return true;
    }
    if (loweredMessage.includes(SPAM)) {
      return true;
    }
    return false;
  };
  
  console.log(checkForSpam('Latest technology news'));
  
  console.log(checkForSpam('JavaScript weekly newsletter'));
  
  console.log(checkForSpam('Get best sale offers now!'));
  
  console.log(checkForSpam('[SPAM] How to earn fast money?'));
  