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 objective of this latest revision in mortgage financing policy for HDB flats is to bring it closer to market practice and to rationalise the subsidies for the purchase of HDB flats," the ministry of national development said. The measures would check rampant "upgrading" by Singaporeans who put pressure on their budgets by seeking to move to more spacious flats, analysts said. Question: What would happen before Singaporeans put pressure? Events: ['revision', 'bring', 'rationalise', 'said', 'check', 'upgrading', 'put', 'seeking', 'move', 'said']
upgrading