What is activation function in neural networks? What are different types of neural networks? What are different types of activation functions? Explain detailed working of CNN with one application. How can you improve filtering in this case if you are looking for developing CNN to recommend a match to watch to a team before their actual encounter with a particular team? Provide detailed diagram and pseudo code. Can it be extended to series of matches to be watched in a particular sequence. How? Use associative learning paradigm for the same.