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

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