There are 3 shapes on a 10x10 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 (8, 5)
Distance from target shape to orange rectangle at (3, 2): 8
Distance from target shape to blue trapezoid at (4, 8): 7
Closest shape is the blue trapezoid at (4, 8) with distance 7</think>

<answer>(4, 8)</answer>