Definition: You are given a question on machine learning. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: In Yann LeCun's cake, the cherry on top is
(A)reinforcement learning (B)self-supervised learning (C)unsupervised learning (D)supervised learning
