5207
In spite of their role of the forelimb activity , the organization of the mammalian pectoral muscles remains unclear .
 Anatomy: forelimb; Anatomy: pectoral muscles
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: forelimb, pectoral muscles 
Answer:
 Anatomy: forelimb; Anatomy: pectoral muscles