Complex sentence: It was first awarded in 1998 for the best new theatre title published in English during 1997 and is now presented annually for a book on British or British related theatre which an independent panel of judges considers to be the best published during the preceding year.
Split into simpler sentences: It was first awarded in 1998 for the best new theatre title published in English during 1997. It is now presented annually for a book on British or British related theatre which an independent panel of judges considers to be the best published during the preceding year.