28257
Piperidine , pyridine alkaloid inhibition of fetal movement in a day 40 pregnant goat model .
 Chemical: Piperidine; Chemical: pyridine alkaloid
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: Piperidine, pyridine alkaloid 
Answer:
 Chemical: Piperidine; Chemical: pyridine alkaloid