There are 2 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 (3, 1)
Distance from target shape to pink trapezoid at (1, 2): 3
Closest shape is the pink trapezoid at (1, 2) with distance 3</think>

<answer>(1, 2)</answer>