Complex sentence: In November 1914, the corps was moved five miles east to Pervyse, just one hundred yards from the front line where, in a vacant cellar, where Chisholm and Knocker would spend the next three and a half years tending to the wounded.
Split into simpler sentences: In November 1914, the corps was moved five miles east to Pervyse, just one hundred yards from the front line. Here, in a vacant cellar, Chisholm and Knocker would spend the next three and a half years tending to the wounded.