text: # Write your MySQL query statement below
  WITH FRIENDS AS(
  SELECT
      DISTINCT USER2_ID AS USER_ID
  FROM
      FRIENDSHIP
  WHERE
      USER1_ID = 1
  UNION
  SELECT
      DISTINCT USER1_ID AS USER_ID
  FROM
      FRIENDSHIP
  WHERE
      USER2_ID = 1
  )
  SELECT 
     DISTINCT L.PAGE_ID AS recommended_page
  FROM
      LIKES L
  INNER JOIN
      FRIENDS F
  ON
      F.USER_ID = L.USER_ID
  WHERE
      L.PAGE_ID NOT IN (
          SELECT
              PAGE_ID
          FROM
              LIKES
          WHERE
              USER_ID = 1
      )
  