118568
She is the daughter of Nancy Day Walker of Chapel Hill , N.C. , a retired biology teacher , and the late Capt. John A. Walker Jr. , a retired naval officer .
 Walker, Chapel, Walker
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Walker, Chapel, Walker