5231
The portion of the LTR responsible for trans activation was mapped by deletions to lie within the U3 region .
 Anatomy: LTR
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: LTR 
Answer:
 Anatomy: LTR