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In June 2012 Israel handed over the remains of 91 Palestinian suicide bombers and other militants who died while carrying out attacks against Israeli targets as part of a goodwill gesture to PA chairman  Mahmoud Abbas  to help revive the peace talks and reinstate direct negotiations between Israel and the Palestinians although  President  Mahmoud Abbas did not indicate whether he was willing to return to talks .
 title of person: Mahmoud Abbas, President
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Mahmoud Abbas, President 
Answer:
 title of person: Mahmoud Abbas, President