Complex sentence: The students were divided into 4 houses, all well balanced.the race to the top was tight but yellow house fought it out for the first place with green just 7 points behind.red came thrird and blue ended up last.
Split into simpler sentences: The students were divided into 4 houses, all well balanced. The race to the top was tight but yellow house fought it out for the first place with green just 7 points behind.Red house came third and blue ended up last.