There are 3 shapes on a 5x5 grid. Which shape is closest to the gray rectangle in terms of Manhattan distance? The final answer is the grid position of the closest shape like (row_index, column_index).
<think>Target shape: gray rectangle at (1, 2)
Distance from target shape to pink trapezoid at (1, 1): 1
Distance from target shape to orange rectangle at (2, 1): 2
Closest shape is the pink trapezoid at (1, 1) with distance 1</think>

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