Câu 13: C1000-012: IBM Watson Application Developer V3.1

The IT helpdesk of a large enterprise routinely conducts surveys of its users. The survey allows the users to rate the performance of the helpdesk and to enter about 3-4 lines of comments in a free form text field. Which IBM Watson service should the IT helpdesk use to drive insights from the texts and to look for patterns among complains for improvements?

1. A. Use Discovery to extract keywords and entities for common patterns across the comments plus gain insight into the sentiment expressed by each comment
2. B. Natural Language Classifier to evaluate sentiments expressed in the comments
3. C. Use Natural Language Classifier to look for concepts mentioned in the review
4. D. Use Personality Insights to analyze traits of the users logging the comments — đáp án hiện tại