339324
Schedule Note : Originally , the Open water events were schedule to occur on Sunday , July 19 ( 5K ) , Tuesday , July 21 ( women 's 10K ) and Thursday , July 23 ( women 's 25K ) ; however the FINA Bureau on July 18 , 2009 , altered the open water schedule due to weather conditions in Ostia .
 Ostia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ostia