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: Kuchma assured Yeltsin that Ukraine would not join NATO, Yeltsin's spokesman Sergei Yastrzhembsky said, according to the Interfax news agency. The Russian leadership has staunchly opposed the western alliance's expansion into Eastern Europe. Question: What happened before said? Events: ['assured', 'join', 'said', 'opposed', 'expansion', 'would', 'has', 'alliance']

Ex Output:
assured

Ex Input:
Passage: "There are a lot more downward revisions of earnings forecasts than upward revisions," said Abby Joseph Cohen, a market strategist at Drexel Burnham Lambert. "People are questioning corporate profits as a pillar of support for the equity market." Question: What happened before Abby Joseph said anything? Events: ['revisions', 'forecasts', 'revisions', 'said', 'questioning', 'support', 'are']

Ex Output:
are

Ex Input:
Passage: Rogers said the shares will be convertible into Class B shares, but that the company has the option to redeem the shares before a conversion takes place. A spokesman for the Toronto cable television and telecommunications concern said the coupon rate hasn't yet been fixed, but will probably be set at around 8%. Question: What will happen in the future? Events: ['said', 'convertible', 'has', 'redeem', 'conversion', 'said', 'fixed', 'set']

Ex Output:
convertible