Which of the following is NOT excluded from the scope of Singapore's Do Not Call registry?

Which of the following is NOT excluded from the scope of Singapore’s Do Not Call registry?

Which of the following is NOT excluded from the scope of Singapore’s Do Not Call registry?
A . Messages that promote investment opportunities.
B . Messages that conduct market research.
C . Messages from charitable organizations.
D . Messages from political candidates.

Answer: B

Explanation:

Reference: https://www.pdpc.gov.sg/-/media/Files/PDPC/PDF-Files/Advisory-Guidelines/Advisory-Guidelines-on-the-DNC-Provisions-1-Feb-2021.pdf?la=en