There are 3 shapes on a 6x6 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 (4, 0)
Distance from target shape to purple square at (2, 5): 7
Distance from target shape to red square at (2, 4): 6
Closest shape is the red square at (2, 4) with distance 6</think>

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