33222
However , once the final restrictions on carrying commercial traffic over the Internet ended in 1995 , a combination of factors made the current Internet suite of SMTP , POP3 and IMAP email protocols the standard .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None