it is an "information security" question

Construct some steganography method (somewhat similar to the following method or any classical steganography method as discussed in text book/class) to hide Attack postponed till two a.m.' Also show the generation of Stego-text by using the chosen method. Also comment on strength of the chosen method. 3rd March Dear George, Greetings to all at Oxford. Many thanks for your letter and for the Summer examination package. All Entry Forms and Fees Forms should be ready for final despatch to the Syndicate by Friday 20th or at the very latest, I'm told. by the 21st. Admin has improved here, though there's room for improvement still just give us all two or three More years and we'll really show you! Please don't let these wretched 16+ proposals destroy your basis O and A pattern. Certainly this sort of change, if implemented immediately, would bring chaos. Sincerely yours