20436
Despite their similarity in functional group chemical reactivity , only 38 of 62 known TB target proteins are found among the 88 known targets of TASO .
 Chemical: TASO
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: TASO 
Answer:
 Chemical: TASO