You are taking a spatial ability test. This is Question {i}."+"Please output the result in pure text format as: question number,answer. For example: 1,BC. This is an image containing five smaller pictures. The top picture is the target, displaying an object. Your task is to identify which two of the four pictures below show objects that are identical to the target, but just rotated versions of it. Among the four pictures below, two are correct answers, and two are incorrect.