There are 4 shapes on a 7x7 grid. Which shape is closest to the pink 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: pink rectangle at (0, 0)
Distance from target shape to brown rectangle at (5, 4): 9
Distance from target shape to red square at (3, 6): 9
Distance from target shape to cyan square at (0, 2): 2
Closest shape is the cyan square at (0, 2) with distance 2</think>

<answer>(0, 2)</answer>