The jar files are too big to include in the sketch. Download CoreNLP from Stanford here. Unzip the result and move the following jars in to the code/ directory inside this sketch
ejml-0.19-nogui.jar
joda-time.jar
jollyday.jar
stanford-corenlp-3
stanford-corenlp-3
stanford-ner-2013-
stanford-ner-3.2.0
stanford-ner.jar
xom.jar