12078
When he joined the board in 2000 , he was its youngest member .
 he, the board, he, its, its youngest member
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 he, the board, he, its, its youngest member