There are 5 shapes on a 3x3 grid. Which shape is closest to the yellow trapezoid 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 trapezoid at (2, 2)
Distance from target shape to purple trapezoid at (2, 1): 1
Distance from target shape to gray trapezoid at (1, 0): 3
Distance from target shape to green trapezoid at (0, 0): 4
Distance from target shape to cyan rectangle at (0, 2): 2
Closest shape is the purple trapezoid at (2, 1) with distance 1</think>

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