In a nike commercial that uses classical conditioning to increase sales, a famous, well-liked athlete is wearing a new brand of sneakers, in hopes that people will feel more positive toward the sneakers when seeing them in the store. what is the unconditioned stimulus in this situation?

Basing on the information given, the unconditioned stimulus of the scenario given is the "new brand of sneakers". This being associated with a popular figure can entice consumers to prime and choose the brand subconsciously.We appreciate your questions. Please, never hesitate to ask more in your queries.