text: --https://www.hackerrank.com/challenges/weather-observation-station-11/
  SELECT DISTINCT(CITY)
  FROM STATION
  WHERE (CITY NOT LIKE 'a%'
  AND CITY NOT LIKE 'e%'
  AND CITY NOT LIKE 'i%'
  AND CITY NOT LIKE 'o%'
  AND CITY NOT LIKE 'u%')
  OR
  (CITY NOT LIKE '%a'
  AND CITY NOT LIKE '%e'
  AND CITY NOT LIKE '%i'
  AND CITY NOT LIKE '%o'
  AND CITY NOT LIKE '%u');
  