Complex sentence: In 2006, Buffett announced in June that he gradually would give away 85% of his Berkshire holdings to five foundations in annual gifts of stock, starting in July 2006--the largest contribution would go to the Bill and Melinda Gates Foundation.
Split into simpler sentences: In 2006, Buffett announced in June that he gradually would give away 85% of his Berkshire holdings to five foundations in annual gifts of stock, starting in July 2006. The largest contribution would go to the Bill and Melinda Gates Foundation.