a) State the Task (T), Performance Measure (P) and Training Experience (E) of the following learning tasks. And also explain which type of learning method we need for each case. i) Credit card fraud detection ii) Optical character recognition iii) Video recommendation in online video streaming (For example: YouTube)

b) suppose you are given the task of building an automated taxi. Define the constraints. What are the inputs? What is the output? How can you communicate with the passenger. Do you need to communicate with the other automated taxis, that is, do you need a "language"?

c) Imagine you have two possibilities: you can fax a document, send the image, or you can use an optical character reader (OCR) and send the text file. Discuss the advantages and disadvantages of the two approaches in a comparative manner. When would one be preferable over the other?

d) Define Reinforcement Learning with example.