Which of the following statements is correct about natural language processing (NLP)?
Select all that apply.
IBM Project Debater was close, however not a successful project in the field of natural language processing.
In natural language processing, an AI system can speak human language perfectly once it builds a corpus.
IBM Project Debater was a major step forward in the field of natural language processing.
Human language is complex, so machines require natural language processing systems to understand human language.