There are 2 shapes on a 10x10 grid. Which shape is closest to the purple rectangle in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: purple rectangle at (8, 5)
Distance from target shape to yellow square at (1, 7): 9
Closest shape is the yellow square at (1, 7) with distance 9</think>

<answer>(1, 7)</answer>