Mahbob Amiri, head of Afghanistan's quick-reaction force, said Monday's bomb in the capital detonated as a United Nations vehicle drove past.
Mahbob Amiri spoke to the press.
Mahbob Amiri is quoted as making the statement, so he spoke to a reporter. I think the system does not have context for this. 
( z1 speak :ARG0 ( z2 person :name ( z3 name :op "Mahbob" :op "Amiri" ) ) :ARG2 ( z4 press ) )