4175
the lowest rung of society was composed of conquered peoples brought to tenochtitlan as slaves .
 member collection: rung, peoples
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  rung, peoples 
Answer:
 member collection: rung, peoples