Which literary device is used in the sentence below?To photograph a fairy, you will first need to locate one.

The literary device used in the sentence "To photograph a fairy, you will first need to locate one" is hypothetical or conditional language. This construction suggests a scenario that is not grounded in reality, as fairies are mythical creatures. This device creates a whimsical tone and invites readers to engage with an imaginative context.

Additionally, the sentence can also be seen as employing metaphor, since it implies capturing something elusive and magical (the fairy) symbolizing dreams, wishes, or the creative imagination that one may aspire to "capture" in life or art. Overall, the use of such devices enhances the enchanting quality of the statement, drawing attention to its playful and fantastical nature.