Complex sentence: Randall Munroe was nominated for the Hugo Award for Best Fan Artist in both 2011 and 2012, and he won a Hugo Award for Best Graphic Story in 2014, for "Time".
Split into simpler sentences: Randall Munroe was nominated for the Hugo Award for Best Fan Artist in both 2011 and 2012. He won a Hugo Award for Best Graphic Story in 2014, for "Time".