16695
Accurate quantum chemical energies for tetrapeptide conformations : why MP2 data with an insufficient basis set should be handled with caution .
 Chemical: tetrapeptide
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: tetrapeptide 
Answer:
 Chemical: tetrapeptide