47705
The top employer in the city is the city government itself , employing 5.6 % ( 31,000 + people ) of the city 's workforce , followed by UCSF with over 25,000 employees .
 UCSF
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 UCSF