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The chatbot is one of the increasing number applications in the era of conversational series. It is a virtual application that can efficiently interact with any human being using the deep natural language processing skills. In NLP, for chatbot application, the various techniques needed for chatbot using NLTK tool are explained and implemented. The process of converting the text to numerical value is called text embedding. In NLTK tool, various text embedding tools are available such as TF-IDF vectorization and bag of words. Deep NLP is an efficient way to implement the chatbot. Thus the chatbot is implemented with sequence-to-sequence networks.

The neoteric occurrence, the pandemic, and global crisis entails the extensive use of web portals to unfurl information. While this has built the cognizance of the common man, the infinitely unnoticed enumeration of malicious content on the web has escalated copiously. Spurious data and fake information has done more harm than what is actually unraveled to the public; however, scrupulously meticulous measures to agonize their source and delve into mitigating these data has become quite a challenge. This indignation delves into step-wise analysis of identifying the hoax through systematically programmed algorithms using natural language processing.