Which of the following is an application of CBR?

Case-Based Reasoning (CBR) is a problem-solving paradigm that uses the experience of previously solved problems to solve new problems. Here are some applications of CBR:

1. Medical Diagnosis: CBR can be used in the field of medicine to diagnose diseases by comparing the current patient's symptoms with past cases.

2. Customer Support: CBR can be used in customer support systems to provide solutions to customer queries by comparing the current problem with previously solved problems.

3. Legal Decision Making: In the field of law, CBR can be used to make decisions by comparing the current case with past similar cases.

4. Fault Diagnosis: In industries, CBR can be used to diagnose faults in machinery by comparing the current situation with past similar situations.

5. Recommender Systems: CBR is used in recommender systems to suggest products or services to customers based on their past behavior.

6. Robotics: In robotics, CBR can be used to make decisions by comparing the current situation with past similar situations.

7. Game Playing: In games, CBR can be used to make decisions by comparing the current situation with past similar situations.