in relation to any food which is offered as a prize or reward or given away in connection with any entertainment to which the public are admitted, whether on payment of money or not, as if the food were, or had been, exposed for sale by each person concerned in the organisation of the entertainment;

in relation to any food which, for the purpose of advertisement or in furtherance of any trade or business, is offered as a prize or reward or given away, as if the food were, or had been, exposed for sale by the person offering or giving away the food; and

in relation to any food which is exposed or deposited in any premises for the purpose of being so offered or given away as mentioned in sub‐paragraph (a) or (b), as if the food were, or had been, exposed for sale by the occupier of the premises;