When her favourite brand of shampoo was discontinued, Karina started to look for a replacement. During her search she noticed ads for Procter Gamble's Head and Shoulders, which was being promoted as a glamorous health-oriented product. Karina was surprised as she had always thought of Head and Shoulders as an anti-dandruff shampoo. In this scenario, What has Procter Gamble done with its product?
1) Rebranded/repositioned
2) Reformulated
3) Licensed to a premium shampoo manufacturer
4) Co-branded