Find the odd one.

1. Secrecy,   Dividend,   Interest.
Ans: Secrecy

2. Bonus Letter,      Dividend Letter,     Board of Directors
Ans: Board of Directors

3. Dividend Warrant,    Interest Warrant,     Demat
Ans: Demat

4. Secretary,     Board of Directors,    Dividend,      Lucid Language
Ans: Lucid Language