In the sentences extracted from financial agreements in U.S. SEC filings, identify the named entities that represent a person ('PER'), an organization ('ORG'), or a location ('LOC'). The required answer format is: 'entity name, entity type'.
Text: : Sidney X . Huang Address : 3F , No . 8 Building , Zhongguancun Software Park , Beijing , China Fax : 86 ( 10 ) 8282 - 5058 If to Airland : Attn .
Answer:
Sidney X . Huang, PER
3F, LOC
Zhongguancun Software Park, LOC
Beijing, LOC
China, LOC
Airland, ORG