Given the following state transition diagram. Which of the following series of state transitions contains an INVALID transition which may indicate a fault in the system design? \nExhibit:\nmermaid\ngraph LR Login((Login)) -->|A| Browse((Browse)) Browse((Browse)) -->|B| Basket((Basket)) Basket((Basket)) -->|D| Checkout((Check-out)) Checkout((Check-out)) -->|E| Basket((Basket)) Basket((Basket)) -->|C| Browse((Browse)) Checkout((Check-out)) -->|F| Pay((Pay)) Pay((Pay)) -->|G| Logout((Log-out))