In Carlill V Carbolic Smoke Ball Co. (1893) 1QB 256, the defendant manufacturer of an influenza preparation, promised to pay £ 100 to any purchaser who used their product in accordance with the directions, and caught influenza. The plaintiff Mrs. Carlill, purchased the product , used it in accordance with the directions and caught influenza . She sued the company for for breach of contract. Was there a valid offer by the company to pay her £100 on contracting the disease? Did Mrs Carlill validly accept any offer of the company?