2318
Reserpine treated rats significantly developed vacuous chewing movements and tongue protrusions however , coadministration of Hibiscus rosa sinensis roots extract ( 100 , 200 and 300 mg / kg , per orally ) attenuated the effects .
 Chemical: Reserpine; Chemical: Hibiscus rosa sinensis
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Reserpine, Hibiscus rosa sinensis 
Answer:
 Chemical: Reserpine; Chemical: Hibiscus rosa sinensis