There are 3 shapes on a 9x9 grid. Which shape is closest to the gray 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: gray square at (0, 5)
Distance from target shape to pink right_triangle at (4, 4): 5
Distance from target shape to orange trapezoid at (7, 2): 10
Closest shape is the pink right_triangle at (4, 4) with distance 5</think>

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