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.

Passage: The pilot had been described as "duty status and whereabouts unknown" but following DNA tests made on remains found at the crash site this was changed to "killed in action", the military said in a statement. US military spokesman Lieutenant Colonel Christopher Garver, said: "Based on the remains found, the air force is confident of its classification ... We have some remains now from the crash site but we are still looking for more." Question: What happened after the remains were found? Events: ['described', 'made', 'found', 'changed', 'said', 'statement', 'said', 'found', 'have', 'looking']
described

Passage: In efforts to prevent Elian Gonzalez's return to Cuba, an anti-Castro lawmaker subpoenaed him Friday to testify before a congressional committee and one of his Miami relatives sought to become his legal guardian. Rep. Dan Burton, R-Ind., said he subpoenaed 6-year-old Elian to testify before the Committee on Government Reform on Feb. 10, so he remains in the country while the courts consider his case. Question: What will happen while the courts consider Elian Gonzalez's case? Events: ['prevent', 'return', 'subpoenaed', 'testify', 'sought', 'become', 'said', 'subpoenaed', 'testify', 'remains', 'consider']
remains

Passage: A 20-litre-canister of petrol would cost some 17 dollars, while topping up with gas costs only four dollars," said the head of Yerevan's Ultra taxi service, Aram Hachian, who has converted all his cars. "If we used petrol, many people here wouldn't be able to afford a taxi," he said. Question: What happened after the cars were converted? Events: ['cost', 'topping', 'costs', 'said', 'converted', 'used', 'afford', 'said']
said