There are 5 shapes on a 7x7 grid. Which shape is closest to the brown 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: brown rectangle at (1, 0)
Distance from target shape to red right_triangle at (5, 5): 9
Distance from target shape to blue square at (2, 5): 6
Distance from target shape to gray square at (6, 2): 7
Distance from target shape to purple square at (4, 4): 7
Closest shape is the blue square at (2, 5) with distance 6</think>

<answer>(2, 5)</answer>