12575
 Verint Contract Verint Systems Inc. , a provider of software for video security networks , announced Tuesday that a company that operates more than 570 buses in Porto , the second-largest city in Portugal , would use the company 's system for part of its fleet . 
 Porto, Portugal; Portugal, Porto
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Porto, Portugal; Portugal, Porto