4. By SMCP, choose one of the following sentences for expressing ”Danger!. Vessel is on a collision course with vessel to the West of her.”
(A) “Advice: you are at risk of collision with vessel to the West of you.”
(B) “Instruction: you are running into risk of collision with the vessel to the West of you.”
(C) “Correction: danger of collision with the vessel West of you.”
(D) “Warning: you are running into danger. Risk of collision with the vessel West of you.”