There are 3 shapes on a 6x6 grid. Which shape is closest to the yellow 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: yellow rectangle at (0, 2)
Distance from target shape to cyan square at (0, 3): 1
Distance from target shape to pink rectangle at (1, 5): 4
Closest shape is the cyan square at (0, 3) with distance 1</think>

<answer>(0, 3)</answer>