13998
yesterday american pilots mechanics approved their share $ 1 . 8 billion in labor concession .
 organization: american; person: american pilots mechanics; person: their
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
 Entities: american, american pilots mechanics, their 
Answer:
 organization: american; person: american pilots mechanics; person: their