9100
For mobile speech application , speaker DOA estimation accuracy , interference robustness and compact physical size are three key factors .
 feature of: speaker DOA estimation accuracy, mobile speech application; conjunction: speaker DOA estimation accuracy, interference robustness; feature of: interference robustness, mobile speech application; conjunction: interference robustness, compact physical size; feature of: compact physical size, mobile speech application
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 feature of: speaker DOA estimation accuracy, mobile speech application; conjunction: speaker DOA estimation accuracy, interference robustness; feature of: interference robustness, mobile speech application; conjunction: interference robustness, compact physical size; feature of: compact physical size, mobile speech application