142
 This was in fact the case with Sally Hemings , one of several children born to a mixed-race slave named Betty Hemings and a white lawyer and businessman named John Wayles the father of Thomas Jefferson 's wife , Martha . 
 children: Betty Hemings, Sally Hemings; children: John Wayles, Sally Hemings
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: 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} 
Answer:
 children: Betty Hemings, Sally Hemings; children: John Wayles, Sally Hemings