Which technology helps artificial intelligent systems like expert system and neural network deal with problems where information that serve as inputs for the analysis is incomplete or imprecise?

A. Natural language processing

B. Fuzzy logic

C. Machine learning

D. Intelligent agent

It is an artificially intelligent system with human cognitive abilities. It can process vast amounts of information to make complex and subtle logical connections. In the context of healthcare, it can help diagnose and treat patients. The physician first poses a query to the system, describing symptoms and other related factors. The system then a) parses the input to identify the key pieces of information, b) mines the patient data to find relevant facts about family history, current medications and other existing conditions, c) incorporates treatment guidelines, electronic medical record data, doctors' notes, research, clinical studies, journal articles, and patient information into the analysis, and d) provides a list of potential diagnoses along with a score that indicates the level of confidence for each hypothesis. This system can be categorized as ________.

A. Neural network

B. Expert system

C. Decision support system

D. Data mining