Complex sentence: On March 21, the House passed a FY 2014 budget that would balance the United States budget in 2023, which brought forward the 2013 budget objective of a balanced budget from 2035, and especially over the 2012 budget, which balanced in 2063.
Split into simpler sentences: On March 21, the House passed a FY 2014 budget that would balance the United States budget in 2023. This was a large improvement over their 2013 budget, which balanced in 2035, and especially over their 2012 budget, which balanced in 2063.