14229
The effects of Perilla frutescens extract and Vicenin 2 ( a compound in this extract ) were assayed in rat ileum with or without stimulation with acetylcholine or Ba ( 2 + ) .
 Chemical: Vicenin 2; Chemical: acetylcholine; Chemical: Ba ( 2 + )
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: Vicenin 2, acetylcholine, Ba ( 2 + ) 
Answer:
 Chemical: Vicenin 2; Chemical: acetylcholine; Chemical: Ba ( 2 + )