There are 4 shapes on a 5x5 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 (4, 4)
Distance from target shape to yellow square at (3, 3): 2
Distance from target shape to green trapezoid at (1, 0): 7
Distance from target shape to purple square at (3, 4): 1
Closest shape is the purple square at (3, 4) with distance 1</think>

<answer>(3, 4)</answer>