There are 6 shapes on a 10x10 grid. Which shape is closest to the gray 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: gray rectangle at (1, 2)
Distance from target shape to yellow trapezoid at (9, 9): 15
Distance from target shape to green right_triangle at (0, 5): 4
Distance from target shape to brown trapezoid at (0, 0): 3
Distance from target shape to cyan right_triangle at (8, 5): 10
Distance from target shape to red trapezoid at (8, 1): 8
Closest shape is the brown trapezoid at (0, 0) with distance 3</think>

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