There are 3 shapes on a 3x3 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 (0, 0)
Distance from target shape to orange trapezoid at (1, 0): 1
Distance from target shape to red rectangle at (0, 2): 2
Closest shape is the orange trapezoid at (1, 0) with distance 1</think>

<answer>(1, 0)</answer>