There are 5 shapes on a 9x9 grid. Which shape is closest to the pink square in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: pink square at (4, 8)
Distance from target shape to green trapezoid at (4, 7): 1
Distance from target shape to gray square at (3, 0): 9
Distance from target shape to blue trapezoid at (7, 8): 3
Distance from target shape to purple rectangle at (2, 0): 10
Closest shape is the green trapezoid at (4, 7) with distance 1</think>

<answer>(4, 7)</answer>