HOW TO WHISTLE

Suzy Sheep holds a red telephone receiver to her ear, her expression shifting from surprise to a wide-open mouth, then to a look of concern, before returning to surprise, all within a yellow-walled room with a green-framed picture. Peppa Pig stands in a room with a washing machine, holding a blue cordless phone to her ear, her expression changing from neutral to concerned as she presses a button on the phone.