37797
In state IIa , Alice 's electron has spin − " x " and Bob 's positron has spin + " x " .
 person: Alice; person: Bob
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: Alice, Bob 
Answer:
 person: Alice; person: Bob