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Born Nancy Roos Krotoschin in Belgium, she married Martin Roos. Before coming to America she was active at the Cercle l'Echiquier in Brussels. Roos won the U.S. Women's Chess Championship in 1955 with Gisela Kahn Gresser, both scoring 9--2. She took second at the Pan-American Tournament in 1954 behind Mary Bain and Mona May Karff, and tied for second at the 1942 U.S. Women's Championship behind Adele Belcher and Karff. Roos was a professional photographer and at the time of her death was the second highest rated woman in the U.S. Chess Federation. She died of cancer in Los Angeles County / Los Angeles city Angeles, California.
 place of death: Nancy Roos, Los Angeles County / Los Angeles city
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: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 place of death: Nancy Roos, Los Angeles County / Los Angeles city