161744
It was acquired by Cheung Kong Holdings in 1996 , but sold to Midland Holdings in 2000 .
 Cheung Kong Holdings, Midland Holdings
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cheung Kong Holdings, Midland Holdings