There are 4 shapes on a 10x10 grid. Which shape is closest to the orange 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: orange square at (8, 5)
Distance from target shape to purple square at (1, 4): 8
Distance from target shape to gray square at (3, 3): 7
Distance from target shape to brown right_triangle at (5, 9): 7
Closest shape is the gray square at (3, 3) with distance 7</think>

<answer>(3, 3)</answer>