1556
An acceptable correlation between the morphological score , AChE activity and head - trunk angle as markers of developmental delay was observed , being AChE activity particularly sensitive to detect delay in the absence of malformations .
 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