The correct answer is: A. Learning.
Learning is the process of acquiring new knowledge or skills. It can be done through experience, education, or training. Learning can improve the performance of an agent by allowing it to adapt to new situations and to improve its skills.
Observing is the process of watching something happen. It can be done with the eyes, ears, or other senses. Observing can help an agent to learn about its environment and to understand the actions of other agents.
Perceiving
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