1. An information processing apparatus comprising: a processor; and a memory device operatively coupled to the processor, the memory device storing instructions that cause the processor, in cooperation with the memory device, to: obtain first position information of a first annotation mark at a first position on a first image associated with an observation target object; determine a second position of a second annotation mark based on the first position information; and cause a display device to alternatively display: (a) the first annotation mark on the first image, wherein the observation target object is associated with a plurality of images including the first image and a second image; and (b) the second annotation mark on the second image.