3789
INTRODUCTION : Tanshinone IIA ( TSIIA ) , cryptotanshinone and tanshinone I are major bioactive constituents of Danshen , a Chinese herbal medicine .
 Chemical: Tanshinone IIA; Chemical: TSIIA; Chemical: cryptotanshinone; Chemical: tanshinone I
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: Tanshinone IIA, TSIIA, cryptotanshinone, tanshinone I 
Answer:
 Chemical: Tanshinone IIA; Chemical: TSIIA; Chemical: cryptotanshinone; Chemical: tanshinone I