Solution

The correct answer is A - III, B - I, C - IV, D - II

Key Points

• Natural language processing (A):
  • This is a branch of AI focused on understanding and generating human language. Therefore, A matches with III.
• Reinforcement learning (B):
  • This is a method of training algorithms by rewarding desired behavior and/or punishing undesired ones. Therefore, B matches with I.
• Support vector machine (C):
  • This is a machine learning technique that finds the hyperplane that best separates different classes in a feature space. Therefore, C matches with IV.
• Expert system (D):
  • This is a system designed to emulate the decision-making abilities of a human expert. Therefore, D matches with II.

Therefore, the correct option is A - III, B - I, C - IV, D - II. So, the correct option is 3).