80
In comparison with previous works , in this paper it is assumed that the signals are not i.i.d. in each epoch , but obey a first-order autoregressive model .
 used for: first-order autoregressive model, signals
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:
 used for: first-order autoregressive model, signals