Assertion: balloon's flight | /r/CapableOf | last 25 minutes
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Source sentences:
text: His first flight of such a balloon, lasting 25 minutes and covering 3 miles (5 km), occurred on 22 October 1960 in Bruning, Nebraska.
text: The balloon was successfully launched and rose about 500 feet / 150 metres above the rooftops of Paris, after a flight lasting about 25 minutes the flight eventually landing a few miles away in some vineyards.