Complex sentence: It won the 2014 Samuel Johnson Prize in 2014, the 2014 Costa Book of the Year award, and has been shortlisted for the 2014 Duff Cooper Prize and longlisted for the 2015 Thwaites Wainwright Prize.
Split into simpler sentences: It won the 2014 Samuel Johnson Prize in 2014, the 2014 Costa Book of the Year award. It was shortlisted for the 2014 Duff Cooper Prize and longlisted for the 2015 Thwaites Wainwright Prize.