2271
the stroke , which was triggered by a bout of chicken pox , also weakened her arteries so much that doctors said she had the brain 'of an 80-year-old ' .
 stroke, bout
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
Answer:
 stroke, bout