4127
There were several changes from the previous season , with the addition of the Atlantic Open , the Amex Med Open , the El Bosque Open and the Austrian Open , and the loss of the Catalan Open and the Jersey Open .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None