19708
Moreover , peptide 3 had IgE binding capability with all sera ( 5 / 5 ) tested , while peptide 1 , 4 , 6 , 8 and12 could bind to 4 / 5 of the sera samples .
 None
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:  
Answer:
 None