Information may be or may not be false

Match the following:   List I (Type) List II (Use/function) (a) White propaganda (i) Advertising, public relations (b) Black propaganda (ii) Deliberate transmission of lies (c) Gray propaganda (iii) Information may be or may not be false  (d) Disinformation (iv) False information to discredit the opposition  Codes: (a) (b) (c) (d) (A) (i) (ii) (iii) (iv) […]