S1:Dover Coastguard, This is motor vessel Utopia, the passenger vessel on my port side, what is her intention, sir? S2:She is crossing to Harwich, the vessel's name is Princess II.S1:She is on a collision course with me. She should pass around my stern. She is determined to cross my bow at zero.S2:Roger, sir. Have you tried to contact her?S1:Yeah, I called her on Ch16, but did not get any response.S2:Roger, sir. Standby. I will try to call her. Wait a moment! S2:Motor vessel Utopia. The passenger ship Princess II is NW bound and she is the give-way vessel. Now she is taking some action and she will be passing at your stern about CPA 0.05 nautical miles.S1:Thank you very much! I will keep my course and speed.S2:Please take a sharp lookout before it is clear! Q3:Before and after the action taking, what are CAP respectively?