This problem is about using machine learning to detect human faces in images. The data set consists of images, and the task is to classify them into two categories: those that contain a human face , and those that do not.
About this solution: The candidate's solution correctly identifies that a machine learning algorithm would be the best solution for this problem. However, the candidate does not provide any details on what type of machine learning algorithm could be used or how it could be trained. Additionally, the candidate does not mention any possible issues that could arise with this approach.
A system that can automatically detect plagiarism in documents is needed.
About this solution: The candidate's solution demonstrates a level of completeness and solves the problem. The general approach is efficient and would work well in practice.