TASK DEFINITION: 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.
PROBLEM: Passage: After the water pollution incident occurred, China has repeatedly informed its neighbor of the details of the pollution incident, including various lab test results such as the pollutant's species and density and the location of polluted stretches. The two sides have agreed to open up a hotline between environmental departments for still better contacts and communication over the water pollution problem, and China informs Russia of the latest developments daily, the Chinese forign minister said. Question: What event has already finished? Events: ['occurred', 'has', 'informed', 'incident', 'incident', 'have', 'agreed', 'open', 'problem', 'informs', 'said']

SOLUTION: incident

PROBLEM: Passage: Late Monday, U.S. State Department officials said that travel visas had been approved for Elian's father, Juan Miguel Gonzalez, his immediate family and three other people _ a pediatrician, a psychologist and one of Elian's favorite cousins. The group might come to the U.S. as soon as Tuesday, according to unconfirmed media reports. Question: What will happen in the future? Events: ['Monday', 'said', 'approved', 'come', 'Tuesday', 'reports']

SOLUTION: come

PROBLEM: Passage: The transaction has been approved by Kyle's board, but requires the approval of the company's shareholders. Kyle manufactures electronic components. Question: What has happened since the transaction? Events: ['transaction', 'approved', 'requires', 'approval', 'manufactures']

SOLUTION:
approved