Many had hoped that the daughter of former President Sukarno, Megawati Sukarnoputri, would play the central role that Corazen Aquino did, but that has not happened.
Megawari Sukarnoputri was expected to play a central role. 
mnli hypothesis: Megawari Sukarnoputri was expected to play a central role.  premise: Many had hoped that the daughter of former President Sukarno, Megawati Sukarnoputri, would play the central role that Corazen Aquino did, but that has not happened.