10678
These activities are due to different members of JAK - STAT family consisting of : JAK1 , JAK2 , JAK3 , Tyk2 and STAT1 , STAT2 , STAT3 , STAT4 , STAT5a , STAT5b , STAT6 .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None