6887
He ran into Jacob by chance , after which he joined them in forming the Saefkow-Jacob-Bästlein Organization .
 person: Jacob
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: Jacob 
Answer:
 person: Jacob