Identify the missing word(s) in the following sentence within the context of Microsoft Azure. [__] is a type of classification involving two categories. Class prediction is determined by calculating the probability for each possible class as a value between 0 (impossible) and 1 (certain). The total probability across all classes sums to 1. A classification algorithm is trained on a subset of data to fit a function, which estimates the probability for each class label based on feature values. The remaining data is used to evaluate the model, comparing its predictions against known class labels." Question: Which word(s) correctly complete the sentence?