Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Passage: A terrorist expert said it was clear the IRA had embarked on a policy of causing maximum disruption and intimidation on the British mainland in the run-up to the general election on May 1. But neither Scotland Yard nor the organisers of Sunday's race would comment on whether security had been increased to take into account the IRA's apparent switch to targeting sporting events. Question: What occured during the time that the IRA embarked on a policy? Events: ['said', 'clear', 'embarked', 'policy', 'disruption', 'causing', 'intimidation', 'election', 'comment', 'increased', 'targeting', 'switch', 'race']
Student:
causing