There are 3 shapes on a 6x6 grid. Which shape is closest to the brown trapezoid 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 trapezoid at (5, 2)
Distance from target shape to pink rectangle at (0, 0): 7
Distance from target shape to green right_triangle at (0, 5): 8
Closest shape is the pink rectangle at (0, 0) with distance 7</think>

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