4704
ruins from 800,000 years ago discovered in israel show that stone age ancestors had began to organize their open-air living spaces into separate clusters for different activities such as cooking and stone manufacturing .
 ruins, years
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:
 ruins, years