4355
a swarm of ants in the search for food shows the remarkable capability of finding shortest paths between a found food source and the anthill .
 swarm, ants
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:
 swarm, ants