When a sailboat is approaching a powerboat which one is the give way vessel

When a sailboat is approaching a powerboat the one vessel that will give way is the powerboat. The reason behind such a conclusion is that the powerboat is easier to maneuver than the sailboat. The powerboat can also change direction far more quickly. I hope the answer comes to your help.

Ibelieve the answer would be a large-scale natural disaster 

Ithink this answer here is a or d