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.

Ex Input:
Passage: But that euphoria gave way to despair just over a year later, after voters in France and the Netherlands rejected the Union's painstakingly prepared constitution and plunged it into its deepest political crisis. Part of the reason for the "no" vote, was the perceived threat among the public of foreign workers or immigrants flooding into a Europe ill-prepared to absorb more member states, most of them poor by comparison. Question: What happened after voters rejected the Union's constitution? Events: ['gave', 'rejected', 'plunged', 'vote', 'threat', 'flooding', 'absorb']

Ex Output:
gave

Ex Input:
Passage: At the Harry Truman Library in Independence, the three foreign ministers of Bronislaw Geremek of Poland, Janos Martonyi of Hungary and Jan Kavan of the Czech Republic signed formal documents of accession. In speeches before the signing ceremony, the ministers said their countries saw NATO membership as an assurance of security and recognition of their rightful place in Europe. Question: What event has already finished? Events: ['At', 'signed', 'accession', 'speeches', 'ceremony', 'said', 'saw', 'security', 'recognition']

Ex Output:
At

Ex Input:
Passage: Food chains from farm fields to table are polluted from time to time and environmental pollution has a bad impact on food sources, " according to the plan. His call follows a scandal this month in which red-yolk salted duck eggs were found containing the carcinogenic industrial dye, Sudan-IV, raising nationwide concern over food safety. Question: What happened after the eggs were found with Sudan-IV? Events: ['polluted', 'pollution', 'impact', 'according', 'plan', 'call', 'scandal', 'found', 'concern']

Ex Output:
call