9533
Ahmed Moustafa Hussein ( ; born May 25 , 1983 in Cairo ) is a retired Egyptian swimmer , who specialized in backstroke events .
 person: Ahmed; person: Hussein; location: Cairo
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Ahmed; person: Hussein; location: Cairo