5470
Our purpose was to examine human colon cancers for inactivation of two candidate metastasis suppressor genes , nm23 - H1 and nm23 - H2 , either by mutation or by loss of gene transcription .
 Anatomy: colon cancers
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: colon cancers 
Answer:
 Anatomy: colon cancers