8875
For Peter Morton , one of the founders of the Hard Rock Cafe , who let me invest in that company long ago and allowed me to do well with them to the point of unbelievability .
 Hard Rock Cafe, Peter Morton; Peter Morton, Hard Rock Cafe
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:
 Hard Rock Cafe, Peter Morton; Peter Morton, Hard Rock Cafe