1077
The new fossil was unveiled the day after researchers announced that another ancient Chinese bird , called Microraptor zhaoianus , supported the dinosaur origin of birds .
 Chinese, researchers
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Chinese, researchers