There are 3 shapes on a 9x9 grid. Which shape is closest to the brown right_triangle 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 right_triangle at (2, 5)
Distance from target shape to green trapezoid at (1, 0): 6
Distance from target shape to cyan right_triangle at (4, 1): 6
Closest shape is the green trapezoid at (1, 0) with distance 6</think>

<answer>(1, 0)</answer>