Unstructured data quantum has been increased drastically in recent times. Many of the recent trends and developments in ICT has increased the unstructured data drastically, which is being increased day by day. This is resulting in the extreme difficulty in analyzing the data manually. Such a huge amount of unstructured data has been due to different reasons like increase of popularity of internet, digital content related to various domains like social media, blogs and others. Argumentation mining is one of the research area which deals with such huge quantum of unstructured data. It covers...