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: Plans to step up the European Union's ties to Hong Kong after this transfer to Chinese rule on July 1 will be discussed for the first time at a meeting of EU foreign ministers here on Tuesday. On the table will be a report from the European Commission setting out how the EU should go about defending its extensive interests in the territory -- the bloc's 10th largest trading partner -- and its role in ensuring that Beijing honours its commitments to respect its autonomy. Question: What began before Tuesday? Events: ['step', 'ties', 'transfer', 'rule', 'July', '1', 'discussed', 'time', 'meeting', 'Tuesday', 'be', 'report', 'setting', 'go', 'defending', 'trading', 'ensuring', 'honours', 'commitments', 'respect', 'autonomy', 'Plans']

Ex Output:
ties

Ex Input:
Passage: But his latest comments remove any doubt that he also backs revisionist historians -- often branded in the West as neo-Nazis -- who maintain Nazi Germany's systematic slaughter of an estimated six million Jews between 1933 and 1945 never took place. "Why, under the pretext of this massacre, have you come to the heart of Palestine and the Islamic world ..., why have you created an artificial Zionist regime?" Question: What will happen in the future? Events: ['backs', 'branded', 'maintain', 'slaughter', 'come', 'created', 'remove', 'massacre']

Ex Output:
backs

Ex Input:
Passage: America West wouldn't identify the entity, but said the payment was for the foreign company's use of certain tax benefits in connection with America West plane purchases. Year-earlier results included an extraordinary gain of $1.6 million from a buy-back of convertible subordinated debentures. Question: What happened after the plane purchases? Events: ['payment', 'use', 'purchases', 'gain', 'buy-back', 'identify', 'said']

Ex Output:
said