3612
The aryl hydrocarbon receptor ( AhR ) contributes to the control of cell - to - cell communication , cell adhesion , migration or proliferation .
 Chemical: aryl hydrocarbon
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: aryl hydrocarbon 
Answer:
 Chemical: aryl hydrocarbon