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: Issuance of those warrants will be at the rate of one-third warrant for each warrant exercised. Question: What is happening now? Events: ['Issuance', 'be', 'exercised']

Passage: Tang expressed the hope that young political figures of the Komei Party carry forward the tradition of friendship, actively make pragmatic exchanges and cooperation in various fields, and contribute more to the improvement and development of China-Japan relations. Ueda Osamu said the Komei Party always upholds the strong desire to promote Japan-China friendship, noting that the Komei Party will continue its efforts to further push forward the friendly ties between the two sides. Question: What happened after Ueda Osamu spoke? Events: ['expressed', 'carry', 'make', 'exchanges', 'cooperation', 'contribute', 'improvement', 'development', 'said', 'upholds', 'promote', 'noting', 'continue', 'push']

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']
incident