There are 4 shapes on a 3x3 grid. Which shape is closest to the cyan 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: cyan rectangle at (0, 0)
Distance from target shape to blue right_triangle at (2, 0): 2
Distance from target shape to pink square at (1, 0): 1
Distance from target shape to orange rectangle at (0, 1): 1
Closest shape is the pink square at (1, 0) with distance 1</think>

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