Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Jerusalem (CNN) Long-time Palestinian rivals Fatah and Hamas have reached a reconciliation agreement after a decade of failed attempts and often bitter acrimony. Under the deal, brokered by Egypt, a new unity government will take administrative control of Gaza in December. If the deal holds, it would end a decade-long rift that began with violent clashes between the two groups in 2007. Fatah, the party of Palestinian Authority President Mahmoud Abbas, governs the West Bank, while Hamas runs Gaza. The two factions had started reconciliation talks in Cairo on Tuesday. Senior Hamas member Saleh al-Arouri told a Cairo news conference that Hamas was determined to end the division between it and Fatah, saying they had "no choice but to continue to advance the unity of [the Palestinian people] and reach our hopes and aspirations."Long-standing Palestinian rivals agree accordDeal could mean the end of a decade-long rift between the West Bank and Gaza 
 Question:He said the two sides were going to _ "resolved and determined to make it happen and achieve concrete results in that respect."

Cairo