 There is considerable commercial interest in the field because of its application to automated reasoning, machine translation, question answering, news-gathering, text categorization, voice-activation, archiving, and large-scale content analysis.The program STUDENT, written in 1964 by Daniel Bobrow for his PhD dissertation at MIT is one of the earliest known attempts at natural-language understanding by a computer.Eight years after John McCarthy coined the term artificial intelligence, Bobrow's dissertation (titled "Natural Language Input for a Computer Problem Solving System") showed how a computer could understand simple natural language input to solve algebra word problems.