50089
A 17th place finish on the 2008 money list earned him a return to the European Tour the following season , but he could not hold on to his status , and returned once more to the Challenge Tour in 2010 .
 Tour, Challenge Tour
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tour, Challenge Tour