Complex sentence: In 2009, the national day parade was held for the first time at the Parliament of Malaysia to a reduced audience of 4,000 because of the 2009 flu pandemic at that time.
Split into simpler sentences: In 2009, the national day parade was held at a small scale in theParliament of Malaysia. The audience was reduced to 4,000 because of the 2009 flu pandemic at that time.