9904
The new rules will require specialists at stock exchanges and market makers on Nasdaq to allow customers to view price quotes from other electronic trading systems that may not be readily available to them .
 else: Nasdaq
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Nasdaq 
Answer:
 else: Nasdaq