5707
Although the gene sequences of all 22 tRNAs encoded in the human mitochondrial genome are known , little information exists about their sequences at the RNA level .
 Anatomy: mitochondrial genome
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: mitochondrial genome 
Answer:
 Anatomy: mitochondrial genome