1085
Most dinosaur researchers believe birds evolved 150 to 180 million years ago from a dinosaur group called Theropods .
 person: Most dinosaur researchers
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: Most dinosaur researchers 
Answer:
 person: Most dinosaur researchers