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The five are believed to be at the end of a long investigative chain that stretched from Hewlett-Packard 's headquarters in Palo Alto , Calif. , to its own investigators in Boston , through Mr. DeLia 's firm , Security Outsourcing Solutions , and on to Action Research Group , a data broker in Melbourne , Fla. , that is said to have hired the actual pretexters .
 Hewlett-Packard, Palo Alto
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 Hewlett-Packard, Palo Alto