4379
Rivers : " The longest is the Salhir River which rises southeast of Simferopol and flows north and northeast to the Sea of Azov .
 Salhir River, Simferopol, Sea of Azov
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Salhir River, Simferopol, Sea of Azov