Task: Sentence Expansion
Input (English): Tacking or coming about is a term in sailing that means the boat is changing directions by turning the bow of the vessel in relationship to the wind .
Output (English): Tacking or coming about is a sailing maneuver by which a sailing vessel , whose desired course is into the wind , turns its bow toward the wind so that the direction from which the wind blows changes from one side to the other , allowing progress in the desired direction .