91867
He made his first major league appearance since on May 3 , when he pitched of an inning against the Oakland Athletics .
 organization: Oakland Athletics
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: Oakland Athletics 
Answer:
 organization: Oakland Athletics