There are 4 shapes on a 9x9 grid. Which shape is closest to the orange 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: orange rectangle at (6, 3)
Distance from target shape to pink trapezoid at (1, 4): 6
Distance from target shape to red trapezoid at (7, 2): 2
Distance from target shape to purple right_triangle at (3, 2): 4
Closest shape is the red trapezoid at (7, 2) with distance 2</think>

<answer>(7, 2)</answer>