Detailed Instructions: In this task, you will be given a passage, a question and a list of single-word events identified from the passage. The goal is to point out all events from the given event list that can answer the question. If a question is unanswerable or none of the events answer the question, output should be empty.
Q: Passage: They said that both Arafat and Hamas were besieged by Israel, especially the former who had been besieged for three years, but the Palestinians were never in such a crisis like that of today under the leadership of Arafat. Arafat was besieged by Israeli army in his compound in West Bank city of Ramallah in 2002 following his refusal to Israel's demands and his adherence to the Palestinian principles, in particular the Palestinians' claim to Jerusalem. Question: What happened before Arafat's refusal? Events: ['said', 'besieged', 'besieged', 'crisis', 'leadership', 'besieged', 'refusal', 'demands', 'adherence', 'claim']
A: