Mr. A advertises in a daily newspaper that he will give a prize of Rs. 90,000 to the first person to swim the English channel and back during the month of August. F, who has read the advertisement, sets off from Dower on 1^st August and reaches the coast of Fracne on 2^nd August. On that day, a further advertisement appears in the same newspaper stating that the offer of the prize has been withdrawn. On 3^rd August, F completes the return swim to England can F recover the prize.