There are 3 shapes on a 10x10 grid. Which shape is closest to the purple 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: purple trapezoid at (9, 2)
Distance from target shape to yellow rectangle at (6, 4): 5
Distance from target shape to red trapezoid at (3, 3): 7
Closest shape is the yellow rectangle at (6, 4) with distance 5</think>

<answer>(6, 4)</answer>