Modified documentation
Fixed issues with sentence annotation
Merge branch 'sentence_level' of github.com:lspecia/quest into sentence_level
Merge branch 'sentence_level' of github.com:lspecia/quest into sentence_level
Merge branch 'sentence_level' of github.com:lspecia/quest into sentence_level
Merge branch 'sentence_level' of github.com:lspecia/quest into sentence_level
modifications to run the vanilla