There are 4 shapes on a 9x9 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 (0, 7)
Distance from target shape to cyan square at (5, 4): 8
Distance from target shape to red right_triangle at (1, 0): 8
Distance from target shape to blue trapezoid at (6, 0): 13
Closest shape is the cyan square at (5, 4) with distance 8</think>

<answer>(5, 4)</answer>