1. An information processing system comprising: one or more processors configured so as to: receive an input image captured by an image sensor; analyze the input image to identify a difference in appearance between a subject depicted in the input image and a model subject; select one or more phrases from a plurality of phrase candidates based on the identified difference in appearance between the subject and a model subject; and, output, to an output device, at least one of the one or more selected phrases for presentment to a recipient.