189215
Nonprofit , Volunteer , and Honorary Positions Dyrdahl is the chair of the board of directors for the Humane Society Silicon Valley .
 person: Dyrdahl
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: Dyrdahl 
Answer:
 person: Dyrdahl