Question: You work for a large e - commerce company and have been tracking user preferences based on the books they have purchased. You would like

You work for a large e-commerce company and have been tracking user preferences based on the books they have purchased. You would like to start marketing new movies to users but do not have any data based on movie preferences. What is this problem referred to?
Group of answer choices
Cold start problem
Training dataset problem
Hot start problem
Matrix factorization problem

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