There are 5 shapes on a 5x5 grid. Which shape is closest to the yellow 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: yellow square at (1, 0)
Distance from target shape to pink square at (2, 4): 5
Distance from target shape to green rectangle at (0, 4): 5
Distance from target shape to blue rectangle at (3, 4): 6
Distance from target shape to gray rectangle at (4, 3): 6
Closest shape is the pink square at (2, 4) with distance 5</think>

<answer>(2, 4)</answer>