The image shows [describe]. Three
captions adding something the visual
doesn't say — context, a reason, a
question — rather than narrating what
people can already see.

A Caption Doing Real Work

Adds what the image can't say by itself.

Prompt

Here's what the image or video shows: [describe it]. Write three captions that add something the visual doesn't already say — context, a reason, or a question — rather than narrating what people can see.