Final answer:
A ball is considered in the penalty area even if the water carried it out of bounds, if it last crossed the edge of the penalty area. A ball is out of bounds if it crossed the course's edge, even if the water carried it into the penalty area. Relief options depend on the color of the penalty area edge last crossed by the ball.
Step-by-step explanation:
The first statement is correct. According to the rules of golf, if a ball index crossed the edge of a penalty area and subsequently got carried away by water out of bounds, it is still considered in the penalty area. As for the second statement, if a ball crossed the course's boundary edge and is carried into the penalty area by the water flow, it is considered out of bounds. Lastly, it is correct that the relief options depend on the color of the penalty area edge that the ball last crossed, not the color of the penalty area where the ball finally rests.
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