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

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