Complex sentence: However, development was slow for several years as the production cycled through writers, directors, and producers, but in January 2010 Peter Chernin of Chernin Entertainment signed on as producer, and brought Jaffa and Silver back on to complete the script.
Split into simpler sentences: However, development was slow for several years as the production cycled through writers, directors, and producers. In January 2010 Peter Chernin of Chernin Entertainment signed on as producer, and brought Jaffa and Silver back on to complete the script.