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: The western military alliance invited the three central and eastern European countries to join the 16-nation bloc in July 1997 at the Madrid summit. The three countries have finished all necessary formalities for accession after the Hungarian parliament ratified the accession treaty on Tuesday. Question: What will happen after the summit? Events: ['invited', 'join', 'finished', 'ratified', 'have', 'accession']

A: accession
****
Q: Passage: Kellogg is based in Battle Creek, Mich., a city that calls itself the breakfast capital of the world. Another analyst, John C. Maxwell Jr. of Wheat, First Securities in Richmond, Va., recently went to a "sell" recommendation on Kellogg stock, which closed Friday at $71.75, down 75 cents, in New York Stock Exchange composite trading. Question: What will happen in the future? Events: ['calls', 'went', 'recommendation', 'closed', 'down', 'trading']

A:
****
Q: Passage: ''We are doing dozens if not hundreds of interviews a day,'' said Paul Moskal, a spokesman for the FBI office in Buffalo. ''I know of no information that would treat these two differently or would put them in any other category from the hundreds of leads we're investigating on a daily basis.'' Question: What event has already finished? Events: ['doing', 'interviews', 'said', 'know', 'treat', 'put', 'category', 'investigating', 'leads']

A:
said
****