added private TreeSet startwords = null;
added private TreeSet startwords = null;

sabitaacharya/semanticvectors,Lucky-Dhakad/semanticvectors,anhth12/semanticvectors,sabitaacharya/semanticvectors,anhth12/semanticvectors,sabitaacharya/semanticvectors,Lucky-Dhakad/semanticvectors,Lucky-Dhakad/semanticvectors,anhth12/semanticvectors,sabitaacharya/semanticvectors,anhth12/semanticvectors,Lucky-Dhakad/semanticvectors