Rather than containing a set of 'IF-THEN' rules, more sophisticated ESs use neural networks, which are designed in a way that mimic the way a human brain learns. Thus, option a 'neural networks' is the correct answer.
A neural network represents a series of algorithms that endeavors to recognize underlying relationships in a set of data through a process that mimics the way the human brain learns and operates. In this regard, neural networks refer to neuron systems, either organic or artificial in nature. Neural networks can help computers to make intelligent decisions with limited human assistance.
You can learn more about neural network at
https://brainly.com/question/25653113
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