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 Mr. Davison was one of their number , and in 1994 he wrote a memoir of the time and the cohort : '' The Fading Smile : Poets in Boston , From Robert Frost to Robert Lowell to Sylvia Plath , 1955-1960 . '' 
 place of birth: Sylvia Plath, Boston; place lived: Sylvia Plath, Boston; place of birth: Robert Lowell, Boston
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Sylvia Plath, Boston; Sylvia Plath, Boston; Robert Lowell, Boston 
Answer:
 place of birth: Sylvia Plath, Boston; place lived: Sylvia Plath, Boston; place of birth: Robert Lowell, Boston