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.

Input: Consider Input: Passage: MOSCOW (AP)_ Presidents Leonid Kuchma of Ukraine and Boris Yeltsin of Russia signed an economic cooperation plan Friday, and Yeltsin claimed they resolved even more nagging problems. Russia and Ukraine share similar cultures and languages, and Ukraine was ruled from Moscow for centuries. Question: What happened before the signing? Events: ['signed', 'claimed', 'resolved', 'nagging', 'ruled']

Output: ruled

Input: Consider Input: Passage: Crane holds 504,200 Milton Roy shares, including 254,200 bought from Sept. 14 to Thursday for $15.50 to $16.75 each. In New York Stock Exchange composite trading Friday, Milton Roy shares leaped $2, to $18.375 each, while Crane sank $1.125, to $21.125 a share. Question: What happened before Crane shares sank? Events: ['holds', 'bought', 'trading', 'leaped', 'sank']

Output: bought

Input: Consider Input: Passage: A security official said Hamas members tried to storm a southern Gaza training camp for the presidential guard, which Hamas has accused of targeting prime minister Ismail Haniya on Thursday by firing on his convoy. One of Haniya's bodyguards was killed and one of his sons injured in the crossfire on Thursday. Question: What event has begun but has not finished? Events: ['said', 'storm', 'accused', 'targeting', 'firing', 'killed', 'injured', 'crossfire']
Output: